law lt_sub_of_add_lt
import bend-mathlib@0.8.1.0/nat.bend as Natimport Base
2998# A strict bound on a sum bounds a difference: a + b < c implies a < c - b.
2999law lt_sub_of_add_lt:
3000 for a: Nat
3001 for b: Nat
3002 for c: Nat
3003 for h: lt(Nat.add(a, b), c)
3004 lt(a, Nat.sub(c, b))