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Proof step 6 from proof fwd-inv-gblock-rem-del (previous step)

n ∈ gstore, n ∈ gstore \ (ginval -- n) → inv((gstore \ (ginval -- n))[n]) ⊦ inv(gstore[n])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
inv((gstore \ (ginval -- n))[n]), n ∈ gstore ⊦ inv(gstore[n])

Rule argument

Additional information

Used simplifier rules: ⊦ n ∈ ns -- n0 ↔ n ≠ n0 ∧ n ∈ ns; (s)% ⊦ n ∈ gstore \ ns ↔ n ∈ gstore ∧ ¬ n ∈ ns; (ws)