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Proof step 21 from proof CSPAWN-sat-rely-guar-ind (previous step)

\A ∀ Act, CS, n, Inp, Outp. CInitto(m0, Act, CS) ∧ CInv(n, Act, CS) ∧ m0 ≤ n → [: Act, Inp, CS, Outp | CRelyto(m0, Act', CS', Act'', CS'') , CGuarto(m0, Act, CS, Act', CS') , CInv(n, Act, CS) , CSPAWN(m0; Act, Inp, CS, Outp) ] CInv(n, Act, CS), n ≠ 0, CInv(n, Act, CS), CInitto(m0 + 1, Act, CS), m0 < n ⊦ [: Act, Inp, CS, Outp | CRelyto(m0 + 1, Act', CS', Act'', CS'') , CGuarto(m0 + 1, Act, CS, Act', CS') , CInv(n, Act, CS) , CSEQ(m0 + 1; Act, Inp, CS, Outp) ∥ [PL CInitto(m0, Act, CS) ∧ CInv(n, Act, CS) → (CRelyto(m0, Act', CS', Act'', CS'') ∧ (CInv(n, Act', CS') → CInv(n, Act'', CS''))) -+-> (last ⊃ CInv(n, Act, CS);CGuarto(m0, Act, CS, Act', CS') ∧ (CInv(n, Act, CS) → CInv(n, Act', CS'))) ] ] CInv(n, Act, CS)

User applied rule weakening

And obtained the following new goals

Proof step 22:
n ≠ 0, CInv(n, Act, CS), CInitto(m0 + 1, Act, CS), m0 < n ⊦ [: Act, Inp, CS, Outp | CRelyto(m0 + 1, Act', CS', Act'', CS'') , CGuarto(m0 + 1, Act, CS, Act', CS') , CInv(n, Act, CS) , CSEQ(m0 + 1; Act, Inp, CS, Outp) ∥ [PL CInitto(m0, Act, CS) ∧ CInv(n, Act, CS) → (CRelyto(m0, Act', CS', Act'', CS'') ∧ (CInv(n, Act', CS') → CInv(n, Act'', CS''))) -+-> (last ⊃ CInv(n, Act, CS);CGuarto(m0, Act, CS, Act', CS') ∧ (CInv(n, Act, CS) → CInv(n, Act', CS'))) ] ] CInv(n, Act, CS)

Rule argument

poslist: left 1

Proof step 21 from proof CSPAWN-sat-rely-guar-ind (previous step)

User applied rule weakening

And obtained the following new goals

Rule argument

Additional information