Arith.btrue: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/poly1305/arith.bend as Arith
Lines 31-33 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/poly1305/arith.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/poly1305/arith.bend&start_line=31&end_line=33

import Base

# Bool rewriting of a proposition {x == True}
def btrue(+x: Bool, +y: Bool, +e: {x == y : Bool}, +h: {y == True{} : Bool}) -> {x == True{} : Bool}:
  Equal.trans(Bool, x, y, True{}, e, h)

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans