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Proof step 17 from proof prepost-restore-log (previous step)

elems(nx0 + n ' + nx2) ∩ ginval = ∅, inv(gstore2 \ ginval), ∀ n0. n0 ∈ nx0 ∨ n0 = n ∨ n0 ∈ nx2 → n0 ∈ gstore2 ⊦ n ∈ gstore2 ∧ ¬ n ∈ ginval

User applied rule all left

And obtained the following new goals

Proof step 18:
elems(nx0 + n ' + nx2) ∩ ginval = ∅, inv(gstore2 \ ginval), n ∈ nx0 ∨ n = n ∨ n ∈ nx2 → n ∈ gstore2 ⊦ n ∈ gstore2 ∧ ¬ n ∈ ginval

Rule argument

pos: left 3 terms: n abort: F discard: T computed: T

Additional information

Used terms: n