WordPowerOfTwo.positive_double: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/proofs/word_power_of_two.bend as WordPowerOfTwo
Lines 322-325 of stelliferous@0.0.2.0/proofs/word_power_of_two.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/proofs/word_power_of_two.bend&start_line=322&end_line=325

import Base
import stelliferous@0.0.2.0/proofs/word_encoding.bend as WordEncoding

def positive_double(value: Nat,positive: {Nat.is_lt(0n,Nat.double(value)) == True{} : Bool}) -> {Nat.is_lt(0n,value) == True{} : Bool}:
  match value:
    case 0n: Empty.absurd({False{} == True{} : Bool},WordEncoding.false_true(positive))
    case 1n+rest: {==}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.double
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/proofs/word_encoding.bend&name=false_true