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Theorem subsingleton_or_nonzero

Modification history

2020-07-06 14:12
src/algebra/group_with_zero.lean
refactor(*): replace nonzero with nontrivial (#3296) …
Deleted subsingleton_or_nonzeroView on Github →
2020-07-04 08:32
src/algebra/group_with_zero.lean
feat(analysis/normed_space/*): group of units of a normed ring is open (#3210) …
Added subsingleton_or_nonzeroView on Github →