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Theorem mem_ball_iff_norm'''

Modification history

2022-11-17 13:13
src/analysis/normed/group/basic.lean
refactor(analysis): change the symbol for norm to align with the unicode spec (#17575) …
Modified mem_ball_iff_norm'''View on Github →
2022-10-06 17:50
src/analysis/normed/group/basic.lean
feat(analysis/normed/group/basic): Multiplicative, noncommutative normed groups (#15705) …
Added mem_ball_iff_norm'''View on Github →