Biconditional Equivalent to Biconditional of Negations
Jump to navigation
Jump to search
Theorem
Formulation 1
- $p \iff q \dashv \vdash \neg p \iff \neg q$
Formulation 2
- $\vdash \left({p \iff q}\right) \iff \left({\neg p \iff \neg q}\right)$