Logs.fst_b: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/proofs/math/natural/logs.bend as Logs
Lines 85-88 of bend-collections-laws-math@1.0.0.0/proofs/math/natural/logs.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/proofs/math/natural/logs.bend&start_line=85&end_line=88

import Base

# b^ilog(n, b) <= n   (Mathlib Nat.pow_log_le_self)
def fst_b(-P: Type, -Q: Type, p: P & Q) -> P:
  (a, b) = p
  a

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma