Nat.le_succ: def of bend-collections-laws-math@1.0.0.0 Import: import bend-collections-laws-math@1.0.0.0/proofs/lib/nat.bend as Nat Lines 72-77 of bend-collections-laws-math@1.0.0.0/proofs/lib/nat.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/proofs/lib/nat.bend&start_line=72&end_line=77 import Base def le_succ(+n: Nat) -> {Nat.is_le(n, 1n+n) == True{} : Bool}: match n: case 0n: {==} case 1n+p: le_succ(p) Uses (3): https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le