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def nt.le_add_r

bend-osdev-u32@0.1.0.0 · PROOF_order.bend:457

import bend-osdev-u32@0.1.0.0/PROOF_order.bend as PROOFOrder
import Base

457def nt.le_add_r(x: Nat, +w: Nat) -> {Nat.is_le(x, Nat.add(x, w)) == True{} : Bool}:
458  match x:
459    case 0n:
460      match w:
461        case 0n:
462          {==}
463        case 1n+wp:
464          {==}
465    case 1n+xp:
466      nt.le_add_r(xp, w)

Uses (4)

Used by (1)