def le1
bend-collections-laws-math@1.0.0.0 · proofs/math/typed/f64round.bend:576
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/f64round.bend as F64round
import Base
import bend-collections-laws-math@1.0.0.0/spec/lib/common.bend as C
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/natcmp.bend as NC
576def le1(+t: Nat, +h: {C.fits(1n, t) == True{} : Bool}) -> {Nat.is_le(t, 1n) == True{} : Bool}:
577 match t:
578 case 0n:
579 {==}
580 case 1n:
581 {==}
582 case 2n+ +p:
583 NC.absurd_tf({Nat.is_le(2n+p, 1n) == True{} : Bool}, h)