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Theorem homeomorph.preimage_symm

Modification history

2019-10-12 20:07
src/topology/constructions.lean
refactor(topology): mild reorganization (#1541) …
Modified homeomorph.preimage_symmView on Github →
2018-10-15 13:39
analysis/topology/continuity.lean
feature(analysis/topology/continuity): start homeomorphism
Added homeomorph.preimage_symmView on Github →