Mathlib v3 is deprecated. Go to Mathlib v4

Theorem cardinal.mk_eq_two_iff'

Modification history

2022-10-12 13:05
src/set_theory/cardinal/basic.lean
refactor(set_theory/cardinal): review API about `#α = 2`/`nat.card α = 2` (#16899) …
Added cardinal.mk_eq_two_iff'View on Github →