eduroam-prg-og-1-29-184.net.univ-paris-diderot.fr 2026-3-23:9:44:47
This commit is contained in:
4
.obsidian/plugins/breadcrumbs/data.json
vendored
4
.obsidian/plugins/breadcrumbs/data.json
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@@ -631,7 +631,7 @@
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"prevs"
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],
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"lock_view": false,
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"lock_path": "fonction d'ackermann de cori et lascar.md"
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"lock_path": "anneau.md"
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},
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"tree": {
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"collapse": false,
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@@ -651,7 +651,7 @@
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"alias": false
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},
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"lock_view": false,
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"lock_path": "fonction d'ackermann de cori et lascar.md"
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"lock_path": "anneau.md"
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}
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},
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"codeblocks": {
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12
anneau.md
12
anneau.md
@@ -24,10 +24,10 @@ aliases:
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```breadcrumbs
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title: "Sous-notes"
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type: tree
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collapse: false
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collapse: true
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show-attributes: [field]
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field-groups: [downs]
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depth: [0, 0]
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depth: [0, 2]
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```
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# Propriétés
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@@ -41,5 +41,13 @@ depth: [0, 0]
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> > $a0_{A} = a(0_{A} + 0_{A}) = a0_{A} + a 0_{A}$
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> > d'où suite que $a 0_{A} = 0_{A}$
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> [!proposition]+ Distributivité généralisée
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> Soient $m, n \in \mathbb{N}^{*}$
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> Soient $(a_1, \dots, a_{n}) \in A^{n}$ et $(b_1, \dots, b_{n}) \in A^{n}$
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> On a :
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> $\left( \sum\limits_{i=1}^{m} a_{i}\right) \times \left( \sum\limits_{j=1}^{n}b_{j} \right) = \sum\limits_{i=1}^{m}\sum\limits_{j=1}^{n}(a_{i}b_{j})$
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> > [!démonstration]- Démonstration
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> > La démonstration se fait par double récurrence sur $m$ et sur $n$
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# Exemples
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