ProofLists.some_inj: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_lists.bend as ProofLists
Lines 26-27 of minebender-game@1.0.0.0/proof_lists.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_lists.bend&start_line=26&end_line=27

import Base

def some_inj(-A: Data, +a: A, +x: A, e: {Some{a} == Some{x} : Maybe<&2, A>}) -> {a == x : A}:
  Equal.cong(Maybe<&2, A>, A, m => Maybe.val(A, a, m), Some{a}, Some{x}, e)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=minebender-game@1.0.0.0/proof_lists.bend&name=Maybe.val