def Word.zero
import Base1228def Word.zero(n: Nat) -> Word(n):
1229 match n:
1230 case 0n:
1231 WNil{}
1232 case 1n+p:
1233 WCon{False{}, Word.zero(p)}
import Base1228def Word.zero(n: Nat) -> Word(n):
1229 match n:
1230 case 0n:
1231 WNil{}
1232 case 1n+p:
1233 WCon{False{}, Word.zero(p)}