def zero_pow
bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/blake/blake3/tree.bend:165
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/blake/blake3/tree.bend as Tree
import Base
import bend-collections-laws-crypto@1.0.0.0/proofs/lib/nat.bend as N
import bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend as SC
165def zero_pow(+p: Nat, +hl: {0n == SC.pow2(p) : Nat}) -> {Nat.is_le(1n,0n) == True{} : Bool}:
166 %Equal.sym(Nat,0n,SC.pow2(p),hl) : {Nat.is_le(1n,_) == True{} : Bool}
167 N.pow2_pos(p)