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Proof step 114 from proof spawn-sat-rg-strnger (previous step)

(last ⊃ Po(n0 + 1)(S) ∧ GInv(S);Gr(n0 + 1)(S, S') ∧ ¬ blocked ∧ (GInv(S) → GInv(S'))), □ (¬ last ∧ ¬ blocked → Outf = Outf'), □ (¬ last ∧ ¬ blocked → Inpf = Inpf') ⊦ (last ⊃ Po(n0 + 1)(S);Gr(n0 + 1)(S, S') ∧ (GInv(S) → GInv(S')) ∧ (GInv(S) → ¬ blocked))

User applied rule case distinction

And closed the goal!

Rule argument

pos: right 1

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