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Proof step 7 from proof fwd-inv-gblock-rem-del (previous step)

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

Heuristic weak cut applied rule cut formula

And closed the goal!

Rule argument

fma: n ∈ ginval -- n

Additional information

Used simplifier rules: ⊦ ¬ n ∈ ns → (gstore \ ns)[n] = gstore[n]; (s)% ⊦ n ∈ ns -- n0 ↔ n ≠ n0 ∧ n ∈ ns; (s) Used formulas: n ∈ ginval -- n