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Proof step 60 from proof put-switch-primval-index-field (conclusion)

⊦ is_indexkey(sks .last) ∧ is_fskey(sks0 .last) ∧ (st[r -- sks .butlast] ≠ st[r0 -- sks0 .butlast] ∨ sks .last ≠ sks0 .last) ∧ fits(r, sks, st) ∧ fits(r0, sks0, st) ∧ ¬ is_referencevalue(val) ∧ ¬ is_referencevalue(val0) ∧ ¬ is_referencevalue(st[r -- sks]) ∧ ¬ is_reftype(sks0 .last .fs .type) ∧ ¬ junkref(str, r, st) ∧ ¬ junkref(str, r0, st) ∧ sks ≠ [] ∧ sks0 ≠ [] → (st[r -- sks, val][r0 -- sks0, val0]) = (st[r0 -- sks0, val0][r -- sks, val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 59:
fits(r0, sks0, st), fits(r, sks, st), is_fskey(sks0 .last), is_indexkey(sks .last), st[r -- sks .butlast] ≠ st[r0 -- sks0 .butlast] ∨ sks .last ≠ sks0 .last ⊦ sks = [], sks0 = [], (st[r -- sks, val][r0 -- sks0, val0]) = (st[r0 -- sks0, val0][r -- sks, val]), is_referencevalue(val), is_referencevalue(val0), is_referencevalue(st[r -- sks]), is_reftype(sks0 .last .fs .type), junkref(str, r, st), junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]