Proof of `Two-Satisfiability` (1st statement)
groundedproofs/Lax117284Proofs/Injectivity.lean · lax-117284
What this proof establishes
no assumptions
Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.
Description
The formula has two clauses on its one variable, one demanding it true and one false.