Reference · Lemmas behind operations-research checks
rainbow.math.lemmas.bb-leaf-bound
General lemmas: bb leaf bound. The mathematical facts the corresponding checks rest on, each checked by the kernel.
nat/pair-index-below-rectangular
nat/pair-index-below-rectangular : (n a b L : ℕ) (ha : nat/strict-below a n) (hb : nat/strict-below b L) → nat/strict-below (algebra/nat-add a (nat/multiply b n)) (nat/multiply L n)
ℕ = data/Nat