Exclusive Or as Conjunction of Disjunctions/Proof 1
Theorem
- $p \oplus q \dashv \vdash \paren {p \lor q} \land \paren {\neg p \lor \neg q}$
Proof
| \(\ds p \oplus q\) | \(\dashv \vdash\) | \(\ds \paren {p \lor q} \land \neg \paren {p \land q}\) | Definition of Exclusive Or | |||||||||||
| \(\ds \) | \(\dashv \vdash\) | \(\ds \paren {p \lor q} \land \paren {\neg p \lor \neg q}\) | De Morgan's Laws: Disjunction of Negations |
$\blacksquare$