English
WithTop α inherits a NonAssocSemiring structure whenever α has a NonAssocSemiring structure and suitable order properties.
Русский
WithTop α наследует структуру NonAssocSemiring, когда α обладает такой же структурой и соответствующим порядком.
LaTeX
$$$\\\\mathrm{WithTop} \\alpha \\\\text{ is a NonAssocSemiring if } \\alpha \\\\text{ is}$$$
Lean4
instance instNonAssocSemiring [NonAssocSemiring α] [PartialOrder α] [CanonicallyOrderedAdd α] [Nontrivial α] :
NonAssocSemiring (WithTop α)
where
toNonUnitalNonAssocSemiring := instNonUnitalNonAssocSemiring
__ := WithTop.instMulZeroOneClass
__ := WithTop.addCommMonoidWithOne