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Theorem real.neg_preimage_closure

Modification history

2018-01-19 17:05

analysis/real.lean

feat(analysis/real): swap out the definition of real, shorten proofs

Deleted real.neg_preimage_closure View on Github →

2018-01-19 16:18

analysis/real.lean

feat(data/real,*): supporting material for metric spaces

Added real.neg_preimage_closure View on Github →