Revision #3298 → #3863 · back to history
modifiedAddition7aba760b0d46
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| anchor.snippet | Addition , usually denoted with the plus sign | Addition , usually denoted with the plus sign + |
| provenance | ai | ai-moderated |
modifiedIntegers as equivalence classes of pairsdf537aefc1ed
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| anchor.snippet | one can define formally the integers as the equivalence classes of pairs of natural numbers | one can define formally the integers as the equivalence classes of ordered pairs of natural numbers |
| provenance | ai | ai-moderated |
modifiedCoproduct as generalization of additionf715a6ecc146
| Field | From #3298 | To #3863 |
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| mathlib.module | Mathlib.CategoryTheory.Limits.Shapes.BinaryProducts | Mathlib.CategoryTheory.Limits.Shapes.BinaryProducts.BinaryProducts |
| note | Binary coproducts `X ⨿ Y` are defined as `CategoryTheory.Limits.coprod` in BinaryProducts. | Binary coproducts `X ⨿ Y` are defined as `CategoryTheory.Limits.coprod`. |
addedZero is left identity for addition05b2c525949d
addedBoolean XOR as ℤ/2 addition5cdd7e3ba121