def cancel_offset_le
import stelliferous@0.0.2.0/proofs/nat_order.bend as NatOrderimport Base
15def cancel_offset_le(+offset: Nat,+left: Nat,+right: Nat,ordered: {Nat.is_le(Nat.add(offset,left),Nat.add(offset,right)) == True{} : Bool}) ->
16 {Nat.is_le(left,right) == True{} : Bool}:
17 match offset:
18 case 0n: ordered
19 case 1n+previous: cancel_offset_le(previous,left,right,ordered)