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Proof step 8 from proof getbar-union (previous step)

∀ r. ¬ r ∈ st .refs ∨ ¬ r ∈ st0 .refs, r ∈ st0, r ∈ st ⊦ getbytearray(r, st ∪ st0) = getbytearray(r, st0)

User applied rule all left

And obtained the following new goals

Proof step 7:
¬ r ∈ st .refs ∨ ¬ r ∈ st0 .refs, ∀ r. ¬ r ∈ st .refs ∨ ¬ r ∈ st0 .refs, r ∈ st0, r ∈ st ⊦ getbytearray(r, st ∪ st0) = getbytearray(r, st0)

Rule argument

[EXRARG : pos: left 1, [extquanttermlist: (r)abort:F, discard:F, computed:T]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r)]]