Ivan Shishkin, Birch Grove

Magma

Definition / General algebra / Usable

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Usable. This concept is clear enough to use, but has not yet been reviewed by another trusted user.

Un magma MM est un ensemble équipé d’une loi de composition interne binaire
∗ ⁣:(x,y)∈M×M⟼x∗y∈M.*\colon (x,y)\in M\times M\longmapsto x*y\in M.

Problems using this concept (1)
C’est chaud pour Lagrange.
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No listed problems use this concept as a spoiler yet.