Mathlib v3 is deprecated. Go to Mathlib v4

Theorem option.orelse_none'

Modification history

2018-09-02 13:36
data/option.lean
feat(data/option): add simp lemmas for orelse
Modified option.orelse_none'View on Github →
2018-05-22 05:26
data/option.lean
feat(computability/halting): halting problem
Added option.orelse_none'View on Github →