Theorem Ideal.span_sdiff_singleton_zero

Modification history

2026-04-17 19:17
Mathlib/RingTheory/Ideal/Span.lean
chore: make `Ideal.span` an `abbrev` (#38145)
Modified Ideal.span_sdiff_singleton_zeroView on Github →
2025-08-19 22:25
Mathlib/RingTheory/Ideal/Span.lean
feat(RingTheory/Ideal/Span): some lemmas about zero and span (#26148) …
Added Ideal.span_sdiff_singleton_zeroView on Github →