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Proof step 48 from proof lookup-statfield (previous step)

∀ r, st, sk, val, str. fits(r, sks0, st) → r = jvmref ∨ (st[jvmref -- sk, val][r -- sks0]) = st[r -- sks0] ∨ junkref(str, r, st), fits(r, sk0 + sks0, st) ⊦ r = jvmref, (st[jvmref -- sk, val][r -- (sk0 + sks0)]) = st[r -- (sk0 + sks0)], junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 47:
fits(r, sk0 ' + sks0, st), ∀ r, st, sk, val, str. fits(r, sks0, st) → r = jvmref ∨ (st[jvmref -- sk, val][r -- sks0]) = st[r -- sks0] ∨ junkref(str, r, st) ⊦ r = jvmref, (st[jvmref -- sk, val][r -- (sk0 ' + sks0)]) = st[r -- (sk0 ' + sks0)], junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk + sks = sk ' + sks])]]