def pr1
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/w64dm.bend as W64dmimport Base
183def pr1(-P: Type, -Q: Type, p: P & Q) -> P:
184 (a, c) = p
185 a
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/w64dm.bend as W64dmimport Base
183def pr1(-P: Type, -Q: Type, p: P & Q) -> P:
184 (a, c) = p
185 a