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Theorem set.subset_ne_empty

Modification history

2020-02-05 06:25

src/data/set/basic.lean

refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …

Deleted set.subset_ne_empty View on Github →

2017-11-30 22:10

data/set/basic.lean

feat(data/analysis): calculations with filters / topologies + misc

Added set.subset_ne_empty View on Github →