Proof of `Passing and assigning either truth value`
groundedproofs/Lax689614Proofs/Passes.lean · lax-689614
What this proof establishes
no assumptions
thm✓
Lax689614.PassesAssuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.
Description
Strategy stealing shows that moving first cannot hurt True, and assigning an additional variable to True cannot hurt True. Induction on unassigned variables plus the pass supply eliminates passes and assignments benefiting the opponent.