def and5_1
import bend-kit-collections@0.1.4.1/nat_order.bend as NatOrderimport Base
import bend-mathlib@0.7.4.0/bool.bend as MBool
119def and5_1(+a: Bool, +b: Bool, +c: Bool, +d: Bool, +f: Bool,
120 e: {Bool.and(a, Bool.and(b, Bool.and(c, Bool.and(d, f)))) == True{} : Bool}) -> {a == True{} : Bool}:
121 MBool.eq_true_of_and_left(a, Bool.and(b, Bool.and(c, Bool.and(d, f))), e)