Project-declaredLean 4.29.1
Eq255 equiv Lx Rx
Eq677.eq255_equiv_LxRx
Plain-language statement
Blueprint Lemma 13.2(v). E255 at x ā L_x ā R_x has a fixed point.
universal algebraequational logiccombinatorics
Source project: Equational Theories
Person-level attribution pending.