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Proof step 34 from proof nopathex-badarrayfield (previous step)

fs ' = _length, is_arraytype(st[(r ' + refs0) .last -- _type] .type), validrefs(str, r ' + refs0, st[r -- _type] .type, st) ⊦ refs0 = [], (r ' + refs0) .last = jvmref, contains(str, st[r -- _type] .type, fs)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 33:
fs ' = _length, validrefs(str, r ' + refs0, st[r -- _type] .type, st), is_arraytype(st[refs0 .last -- _type] .type) ⊦ refs0 = [], refs0 .last = jvmref, contains(str, st[r -- _type] .type, fs)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ refs ≠ [] → (r ' + refs) .last = refs .last])]]