Arguments bigmax_eq_arg [I] i0 [P F].

(* Specifications: *)
Lemma eq_bigmax_cond (I : finType) (A : pred I) F :
#|A| > 0 -> {i0 | i0 \in A & \max_(i in A) F i = F i0}.
Lemma eq_bigmax (I : finType) F : #|I| > 0 -> {i0 : I | \max_i F i = F i0}.
Lemma biglcmn_sup (I : finType) i0 (P : pred I) F m :
P i0 -> m %| F i0 -> m %| \big[lcmn/1%N]_(i | P i) F i.