Logic.pair_eta: def of bend-collections-laws-crypto@1.0.0.0 Import: import bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend as Logic Lines 122-125 of bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/logic.bend&start_line=122&end_line=125 import Base def pair_eta(-A: Type, -B: Type, p: A & B) -> {p == (Pair.fst(A, B, p), Pair.snd(A, B, p)) : A & B}: match p: case Tuple{a, b}: {==} Uses (4): https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair.fst https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair.snd https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma