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Proof step 31 from proof nopathex-badarrayfield (previous step)

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), ¬ contains(str, st[r -- _type] .type, st[refs0 .last -- _type] .type) ∧ r ≠ refs0 .last

User applied rule cut formula

And obtained the following new goals

Proof step 13:
r = refs0 .last, 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), ¬ contains(str, st[r -- _type] .type, st[refs0 .last -- _type] .type) ∧ r ≠ refs0 .last
Proof step 30:
fs ' = _length, validrefs(str, r ' + refs0, st[r -- _type] .type, st), is_arraytype(st[refs0 .last -- _type] .type) ⊦ r = refs0 .last, refs0 = [], refs0 .last = jvmref, contains(str, st[r -- _type] .type, fs), ¬ contains(str, st[r -- _type] .type, st[refs0 .last -- _type] .type) ∧ r ≠ refs0 .last

Rule argument

[fma-arg: r = refs0 .last]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (r = refs0 .last)]]