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Theorem step-PSCCRASH

⊦ (ctrok(gs.ctr, gs.writers) ∧ writersOk(gs.p, gs.writers) ∧ pendingOk(gs.p)) ∧ FLITPSCLInv(gs, lsf(t), pcf(t)) → ⟪p := gs.p, ctr := gs.ctr, writers := gs.writers, readers := gs.readers; PSCCRASH(; p, ctr, writers, readers, pcf); gs := (((gs.p:= p).ctr:= ctr).writers:= writers).readers:= readers⟫ ((ctrok(gs.ctr, gs.writers) ∧ writersOk(gs.p, gs.writers) ∧ pendingOk(gs.p)) ∧ FLITPSCLInv(gs, lsf(t), pcf(t)))

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