English
Under appropriate conditions, HasProd (f ∘ g) a is equivalent to HasProd f a.
Русский
При соблюдении условий HasProd (f ∘ g) a эквивалентно HasProd f a.
LaTeX
$$$ HasProd (f \circ g) a \leftrightarrow HasProd f a $$$
Lean4
@[inherit_doc tsum, term_parser 1000]
public meta def «term∑'_,_» : Lean.ParserDescr✝ :=
ParserDescr.node✝ `«term∑'_,_» 1022
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ "∑'") Batteries.ExtendedBinder.extBinders)
(ParserDescr.symbol✝ ", "))
(ParserDescr.cat✝ `term 67))