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Proof step 18 from proof lastoc-C-event (conclusion)

⊦ viewvar(ev) = C ∧ ev ∈ tr → (∃ tr0, ev0, tr1. tr = tr0 + (ev0 + tr1) ∧ viewvar(ev0) = C ∧ proj(tr1, Cview(viewvar)) = [])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
viewvar(ev) = C, ev ∈ tr ⊦ ∃ tr0, ev0, tr1. tr = tr0 + ev0 ' + tr1 ∧ viewvar(ev0) = C ∧ proj(tr1, Cview(viewvar)) = []

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ev + tr = ev ' + tr])]]