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Proof step 4 from proof xosc-intro (previous step)

xosc, reachable(s1), reachable(s0), trans(s0, ev, s), eqstate(s0, s1) ⊦ view(ev) = C, ∃ s2, tr. proj(tr, Cview(view)) = [] ∧ proj(tr, Vview(view)) = proj(ev ', Vview(view)) ∧ trans∃(s1, tr, s2) ∧ eqstate(s, s2)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: MAKS-BSRA-unwinding instance-name: lemma-name: xosc-def antecedent: succedent: xosc ↔ (∀ s1, s11, s22. ∀ ev. view(ev) ≠ C ∧ reachable(s1) ∧ reachable(s11) ∧ trans(s11, ev, s22) ∧ eqstate(s11, s1) → (∃ s2. ∃ tr. proj(tr, Cview(view)) = [] ∧ proj(tr, Vview(view)) = proj(ev ', Vview(view)) ∧ trans∃(s1, tr, s2) ∧ eqstate(s22, s2))) substlist: [] → [] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((0, 0, 0)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : ()]]