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Proof step 49 from proof unchanged-fits (previous step)

∀ str, r, st, st0. unchanged(str, r, st, st0) ∧ fits(r, sks0, st) → junkref(str, r, st) ∨ fits(r, sks0, st0), unchanged(str, r, st, st0), fits(r, sk + sks0, st) ⊦ junkref(str, r, st), fits(r, sk + sks0, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 48:
unchanged(str, r, st, st0), fits(r, sk ' + sks0, st), ∀ str, r, st, st0. unchanged(str, r, st, st0) ∧ fits(r, sks0, st) → junkref(str, r, st) ∨ fits(r, sks0, st0) ⊦ junkref(str, r, st), fits(r, sk ' + sks0, st0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : list, storekeys, c, ⊦ sk + sks = sk ' + sks])]]