Two Flavors of Curry's Paradox

In this paper, we distinguish two versions of Curry’s paradox: c-Curry, the
standard conditional-Curry paradox, and v-Curry, a validity-involving version of
Curry’s paradox that isn’t automatically solved by solving c-curry. A unified
treatment of Curry’s paradox thus calls for a unified treatment of both c-Curry
and v-Curry. If, as is often thought, c-Curry paradox is to be solved via nonclassical logic, then v-Curry may require a lesson about the structure—indeed,
the substructure—of the validity relation itself.