Theorem carddnegweqf (X Y:UU)(f: X -> Y)(isw:isweq f)(isx: isfinite X): paths (carddneg _ isx) (carddneg _ (isfiniteweqf _ _ _ isw isx)).
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.DecidablePropositions. Require Import UniMath.MoreFoundations.NegativePropositions. Require Import UniMath.MoreFoundations.Subtypes.