# DAE ## DAE - [Getting started](https://cubiclearn.gitbook.io/dae/dae/getting-started.md): Education meets Web3 - [DAE Mod](https://cubiclearn.gitbook.io/dae/dae/dae-mod.md): Learn the learning model - [Stakeholders](https://cubiclearn.gitbook.io/dae/dae/dae-mod/stakeholders.md): Stakeholders have 'skin in the game' - [Karma](https://cubiclearn.gitbook.io/dae/dae/dae-mod/karma.md): Karma measures the participation of a stakeholder in the learning game - [Governance](https://cubiclearn.gitbook.io/dae/dae/dae-mod/governance.md): Karma is used to vote for proposals regulating the class - [Class scaffolding](https://cubiclearn.gitbook.io/dae/dae/dae-mod/class-scaffolding.md): DAE follows the principles of supervised self-guided organization - [Karmic remuneration](https://cubiclearn.gitbook.io/dae/dae/dae-mod/karmic-remuneration.md): DAE implements the learn-to-earn model - [Treasury](https://cubiclearn.gitbook.io/dae/dae/dae-mod/treasury.md): The DAE class has a treasury of funds - [DAE and Web3](https://cubiclearn.gitbook.io/dae/dae/dae-mod/dae-and-web3.md): DAE is inspired by Web3 philosophy and realized by Web3 applications - [School in science fiction](https://cubiclearn.gitbook.io/dae/dae/dae-mod/school-in-science-fiction.md): Not even in science fiction we are aware of a different educational system - [Publications](https://cubiclearn.gitbook.io/dae/dae/dae-mod/publications.md): We wrote about DAE - [DAE Lab](https://cubiclearn.gitbook.io/dae/dae/dae-lab.md): Learn Web3 and AI - [Bitcoin](https://cubiclearn.gitbook.io/dae/dae/dae-lab/bitcoin.md) - [Why Bitcoin Exists](https://cubiclearn.gitbook.io/dae/dae/dae-lab/bitcoin/why-bitcoin-exists.md) - [Web3](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3.md): Can we really own our assets? - [Blockchain (old)](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/blockchain-old.md): The basics of blockchain technology - [Blockchain](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/blockchain.md): The basics of blockchain technology - [Wallets](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/wallets.md): The gateway to Web3 - [Tokens](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/tokens.md): Digital assets you can control with your wallet - [Voting methods](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/voting-methods.md): How to map tokens into votes - [DAOs](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/daos.md): Blockchain companies - [Insights](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights.md): Dig deeper into Web3 - [Game theory and blockchain](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/game-theory-and-blockchain.md) - [Bitcoin halving](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/bitcoin-halving.md): How new bitcoins are coined - [Gas and fees in Ethereum](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/gas-and-fees-in-ethereum.md): How to pay transactions in Ethereum - [Smart contracts](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/smart-contracts.md): Programs on blockchains - [Stablecoins](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/stablecoins.md): Crypto currencies aiming at stability - [Cryptocurrency exchange](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/cryptocurrency-exchange.md): How to swap crypto currencies - [Staking](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/staking.md): Passive income on your cryptos - [The Bitcoin Power Law Theory](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/the-bitcoin-power-law-theory.md) - [Central Bank Digital Currencies](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/central-bank-digital-currencies.md): Digital currencies issued by central banks - [Electricity consumption of blockchains](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/electricity-consumption-of-blockchains.md): Are blockchains really destroying our planet? - [Crypto crime](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/crypto-crime.md): Scams and friends - [The Gold/Bitcoin Standard](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/the-gold-bitcoin-standard.md) - [How to kill bitcoin](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/how-to-kill-bitcoin.md) - [Zero-knowledge proofs](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/zero-knowledge-proofs.md): Prove that a statement is true without revealing why it is true - [Scaling a blockchain](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/scaling-a-blockchain.md): Solving the blockchain trilemma - [Fiscalità](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/insights/fiscalita.md) - [Readings](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/readings.md): A digest of notable articles - [Decentralized society](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/readings/decentralized-society.md): Finding Web3's soul - [The dilemma of soulbound tokens](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/readings/the-dilemma-of-soulbound-tokens.md): "So what can I tell you, my brother, my killer, what can I possibly say" - [Curation staking](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/readings/curation-staking.md): Liquid staking hits NFT art - [Social identity](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/readings/social-identity.md): A person's identity is embodied in what is known about them by others - [Proof of Personhood](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/readings/proof-of-personhood.md): The unique-human problem - [DApps](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/dapps.md): Web3 apps relevant to DAE - [Snapshot](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/dapps/snapshot.md): The voting platform - [Polymarket](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/dapps/polymarket.md) - [Manifold](https://cubiclearn.gitbook.io/dae/dae/dae-lab/web3/dapps/manifold.md): Mint your own creative platform - [Generative Art](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art.md): Theory and practice of generative art - [Cyrpto art and conceptual art](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/cyrpto-art-and-conceptual-art.md) - [A complexity theory of generative art](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/a-complexity-theory-of-generative-art.md) - [Coding art](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/coding-art.md): Languages for programming art - [Early generative art](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/early-generative-art.md): Pioneers of generative art - [Modern forms of generative art](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/modern-forms-of-generative-art.md): Generative art meets crypto art - [Generative art projects](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/generative-art-projects.md): Notable gen art pursuits - [Generative artists](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/generative-artists.md): Artists to follow - [Little Decalogue for Crypto Artists](https://cubiclearn.gitbook.io/dae/dae/dae-lab/generative-art/little-decalogue-for-crypto-artists.md): The formula of success? - [Intelligenza Artificiale](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale.md): Le macchine possono pensare e agire in modo intelligente? - [Che cos'è l'IA?](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/che-cose-lia.md): Dove definiamo l'IA, i suoi fondamenti, la sua storia e lo stato dell'arte - [Intelligenza](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/che-cose-lia/intelligenza.md): Dove ci chiediamo cosa intendiamo per intelligenza - [Una definizione bidimensionale](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/che-cose-lia/una-definizione-bidimensionale.md): Dove descriviamo quattro diversi approcci all'IA - [Le fondamenta](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/che-cose-lia/le-fondamenta.md): Dove identifichiamo le discipline che sono alla base dell'IA - [La storia](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/che-cose-lia/la-storia.md): Dove raccontiamo la storia dell'IA - [Lo stato dell'arte](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/che-cose-lia/lo-stato-dellarte.md): Cosa è in grado di fare l'IA oggi? - [Limiti, benefici e rischi dell'IA](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/limiti-benefici-e-rischi-dellia.md): Dove si osservano limiti e rischi dell'IA - [Limiti dell'IA](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/limiti-benefici-e-rischi-dellia/limiti-dellia.md): Esistono limiti a ciò che l'IA può fare? - [Benefici e rischi dell'IA](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/limiti-benefici-e-rischi-dellia/benefici-e-rischi-dellia.md): Che rischi pone uno sviluppo incontrollato dell'IA? - [Approcci all'IA](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approcci-allia.md) - [IA simbolica: logica epistemica](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approcci-allia/ia-simbolica-logica-epistemica.md): Una logica per ragionare su conoscenza e opinione - [IA subsimbolica: reti neurali](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approcci-allia/ia-subsimbolica-reti-neurali.md): Come simulare il cervello umano con una rete neurale artificiale - [IA generativa](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa.md) - [Modelli linguistici di grandi dimensioni](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/modelli-linguistici-di-grandi-dimensioni.md): Il dietro le quinte dei chatbot - [Rischi e benefici dell'IA generativa](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/rischi-e-benefici-dellia-generativa.md) - [Chatbot e come usarli](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/chatbot-e-come-usarli.md) - [Casi d'uso](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/casi-duso.md) - [Studiare](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/casi-duso/studiare.md) - [Studiare (vecchio)](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/casi-duso/studiare-vecchio.md): Come usare l'IA per studiare - [Insegnare](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/casi-duso/insegnare.md): Come usare l'IA per insegnare - [Analizzare](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/casi-duso/analizzare.md): Come usare l'IA per analizzare dati - [Modelli per la generazione di immagini](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/modelli-per-la-generazione-di-immagini.md) - [IA generativa e didattica](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/ia-generativa/ia-generativa-e-didattica.md): Come possiamo usare l'IAG per migliorare la didattica e l'apprendimento? Quali sono i rischi? - [Approfondimenti](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approfondimenti.md) - [Magnifica Humanitas](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approfondimenti/magnifica-humanitas.md) - [Antiqua et nova](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approfondimenti/antiqua-et-nova.md) - [Antiqua et nova (full)](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approfondimenti/antiqua-et-nova-full.md) - [Something Big is Happening](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approfondimenti/something-big-is-happening.md) - [Batman, Spider-Man e l'IA](https://cubiclearn.gitbook.io/dae/dae/dae-lab/intelligenza-artificiale/approfondimenti/batman-spider-man-e-lia.md) - [Finanza personale](https://cubiclearn.gitbook.io/dae/dae/dae-lab/finanza-personale.md) - [Principi](https://cubiclearn.gitbook.io/dae/dae/dae-lab/finanza-personale/principi.md) - [Strumenti](https://cubiclearn.gitbook.io/dae/dae/dae-lab/finanza-personale/strumenti.md) - [Metodi](https://cubiclearn.gitbook.io/dae/dae/dae-lab/finanza-personale/metodi.md) - [Dove ascoltare](https://cubiclearn.gitbook.io/dae/dae/dae-lab/finanza-personale/dove-ascoltare.md) - [Hex Port](https://cubiclearn.gitbook.io/dae/dae/dae-lab/finanza-personale/hex-port.md) - [DAE App](https://cubiclearn.gitbook.io/dae/dae/dae-app.md): Apply the DAE model - [Teaching](https://cubiclearn.gitbook.io/dae/dae/teaching.md): Courses I taught with the DAE model - [Dear Data](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data.md): Networks, text and blockchains - [General info](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/general-info.md) - [Links](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/links.md) - [AI prompts](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/ai-prompts.md): Learn with the aid of AI - [Thesis proposal](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/thesis-proposal.md) - [Speakers](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/speakers.md) - [Form & Chaos](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/form-and-chaos.md): Progetto di Arte Generativa per esplorare ordine e chaos usando la programmazione - [50Q](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/50q.md) - [100Q](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data/100q.md) - [MuZero](https://cubiclearn.gitbook.io/dae/dae/teaching/muzero.md): Blockchain, Arte Generativa e Intelligenza Artificiale - [Informazioni](https://cubiclearn.gitbook.io/dae/dae/teaching/muzero/informazioni.md) - [Modello didattico](https://cubiclearn.gitbook.io/dae/dae/teaching/muzero/modello-didattico.md) - [Collegamenti](https://cubiclearn.gitbook.io/dae/dae/teaching/muzero/collegamenti.md) - [Form & Chaos](https://cubiclearn.gitbook.io/dae/dae/teaching/muzero/form-and-chaos.md) - [Seminari](https://cubiclearn.gitbook.io/dae/dae/teaching/muzero/seminari.md) - [XL](https://cubiclearn.gitbook.io/dae/dae/teaching/xl.md) - [Una introduzione all'IA](https://cubiclearn.gitbook.io/dae/dae/teaching/xl/una-introduzione-allia.md): Dove introduciamo brevemente il tema dell'IA - [Fondamenta, storia e stato dell'arte](https://cubiclearn.gitbook.io/dae/dae/teaching/xl/una-introduzione-allia/fondamenta-storia-e-stato-dellarte.md) - [Limiti, benefici e rischi](https://cubiclearn.gitbook.io/dae/dae/teaching/xl/una-introduzione-allia/limiti-benefici-e-rischi.md) - [Approccio simbolico e subsimbolico](https://cubiclearn.gitbook.io/dae/dae/teaching/xl/una-introduzione-allia/approccio-simbolico-e-subsimbolico.md) - [IA generativa](https://cubiclearn.gitbook.io/dae/dae/teaching/xl/ia-generativa.md) - [Modelli linguistici di grandi dimensioni](https://cubiclearn.gitbook.io/dae/dae/teaching/xl/ia-generativa/modelli-linguistici-di-grandi-dimensioni.md): Il dietro le quinte dei chatbot - [Red Panda](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda.md): Ice breaking - [Prerequisites](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/prerequisites.md): What you need to join - [Scheduling](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/scheduling.md): When you are going to learn - [Syllabus](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/syllabus.md): What you are going to learn - [Pipeline](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/pipeline.md): The sequence of steps that teachers and learners will follow during the course. - [Karma and bounties](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/karma-and-bounties.md): How to increase your karma - [Rewards](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/rewards.md): How we will remunerate your karma - [Links](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/links.md): All links to run the course - [Log](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/log.md): The log of the course - [Talks](https://cubiclearn.gitbook.io/dae/dae/teaching/red-panda/talks.md): Flip teaching: the students talk - [Dear Data 23](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23.md): Blockchains and networks - [General info](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/general-info.md): Learn to transform raw data into understanding, insight, and knowledge - [Pipeline](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/pipeline.md): The sequence of steps that teachers and learners will follow during the course. - [Karma and bounties](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/karma-and-bounties.md): How to increase your karma - [Karmic remuneration](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/karmic-remuneration.md): How we will remunerate your karma - [Links](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/links.md) - [Log](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/log.md): The class log - [Thesis proposal](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-23/thesis-proposal.md) - [Dear Data 24](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24.md): Blockchains, AI and and networks - [General info](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/general-info.md) - [Links](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/links.md) - [AI prompts](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/ai-prompts.md): Learn with the aid of AI - [Thesis proposal](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/thesis-proposal.md) - [Speakers](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/speakers.md) - [Form & Chaos](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/form-and-chaos.md): Progetto di Arte Generativa per esplorare ordine e chaos usando la programmazione - [100Q](https://cubiclearn.gitbook.io/dae/dae/teaching/dear-data-24/100q.md) - [Interventi](https://cubiclearn.gitbook.io/dae/dae/teaching/interventi.md) - [Digital Education Festival](https://cubiclearn.gitbook.io/dae/dae/teaching/interventi/digital-education-festival.md) - [Il problema didattico](https://cubiclearn.gitbook.io/dae/dae/teaching/interventi/il-problema-didattico.md) - [Art](https://cubiclearn.gitbook.io/dae/dae/art.md) - [helix6c](https://cubiclearn.gitbook.io/dae/dae/art/helix6c.md) - [Zero](https://cubiclearn.gitbook.io/dae/dae/art/helix6c/zero.md): Where two points on the noisy spiral are connected with a straight colored line (the original sketch) - [One](https://cubiclearn.gitbook.io/dae/dae/art/helix6c/one.md): Where lines are replaced by triangles - [Two](https://cubiclearn.gitbook.io/dae/dae/art/helix6c/two.md): Where lines become circles - [Three](https://cubiclearn.gitbook.io/dae/dae/art/helix6c/three.md): Where lines are replaced by polygons - [G/L Space](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space.md): Explore Web3 concepts through art - [Composability](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/composability.md) - [Scalability](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/scalability.md) - [Identity](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/identity.md) - [Transparency](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/transparency.md) - [Digital truth](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/digital-truth.md) - [Chain of blocks](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/chain-of-blocks.md) - [Cypherpunk](https://cubiclearn.gitbook.io/dae/dae/art/g-l-space/cypherpunk.md) - [Writing](https://cubiclearn.gitbook.io/dae/dae/writing.md) - [Il problema didattico](https://cubiclearn.gitbook.io/dae/dae/writing/il-problema-didattico.md) - [Roadmap](https://cubiclearn.gitbook.io/dae/dae/roadmap.md): The path we walked and the road ahead - [Credits](https://cubiclearn.gitbook.io/dae/credits.md): A lot of generous people contributed to DAE --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on a page URL with the `ask` query parameter: ``` GET https://cubiclearn.gitbook.io/dae/dae/getting-started.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.