U32.word_inc_exact_sym: law of bend-mathlib@0.8.1.0 Import: import bend-mathlib@0.8.1.0/u32.bend as U32 Lines 1060-1065 of bend-mathlib@0.8.1.0/u32.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/u32.bend&start_line=1060&end_line=1065 import Base import bend-mathlib@0.8.1.0/nat.bend as MNat # Increment is exact without overflow: 1 + w < 2^n implies to_nat (inc w) = 1 + w, reversed to rewrite toward the simple side. law word_inc_exact_sym: for n: Nat for w: Word(n) for h: MNat.lt(1n+Word.to_nat(n, w), Nat.pow(2n, n)) {1n+Word.to_nat(n, w) == Word.to_nat(n, Word.inc(n, w)) : Nat} Uses (8): https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.pow https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.inc https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.to_nat https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/nat.bend&name=lt https://jend.leeeet.dev/definition.txt?path=bend-mathlib@0.8.1.0/u32.bend&name=word_inc_exact