Mathlib v3 is deprecated. Go to Mathlib v4

Theorem is_R_or_C.abs_ne_zero

Modification history

2023-05-08 02:00
src/data/is_R_or_C/basic.lean
refactor(data/is_R_or_C,analysis/inner_product_space): review API (#18919) …
Deleted is_R_or_C.abs_ne_zeroView on Github →
2020-08-30 05:38
src/data/complex/is_R_or_C.lean
feat(data/complex/is_R_or_C): add typeclass for real or complex (#3934)
Added is_R_or_C.abs_ne_zeroView on Github →