def ezs

bend-collections-laws-math@1.0.0.0 · proofs/math/typed/f64norm.bend:99

import Base

99def ezs(+p: Nat, +E: Nat, +hea: {1n+p == E : Nat}) -> {Nat.is_eq(E, 0n) == False{} : Bool}:
100  Equal.sym(Bool, False{}, Nat.is_eq(E, 0n), Equal.cong(Nat, Bool, z => Nat.is_eq(z, 0n), 1n+p, E, hea))