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Proof step 8 from proof projection-VC-C-01 (previous step)

proj(tr, VCview(view)) = proj(tr0, Vview(view)) ⊦ proj(tr, Cview(view)) = []

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ proj(tr, Cview(view)) = [] ↔ (∀ ev. ev ∈ tr → view(ev) ≠ C)

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: projection-C-empty antecedent: succedent: proj(tr, Cview(view)) = [] ↔ (∀ ev. ev ∈ tr → view(ev) ≠ C) substlist: [view, tr] → [view, tr] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((1, 0, 0)) dummy: () ]

Additional information

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