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Proof step 6 from proof unchNorec-isarray-01 (previous step)

is_array(r, st), type∃(str, st[r -- _type] .type), unchangedNorec(r, st, st0) ⊦ st[r -- _type] .type .jtelemtype = void_type, st[r -- _type] .type .jtelemtype = abstract_type, type∃(str, st0[r -- _type] .type) ∧ st0[r -- _type] .type .jtelemtype ≠ void_type ∧ st0[r -- _type] .type .jtelemtype ≠ abstract_type ∧ is_array(r, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
⊦ unchangedNorec(r, st, st0) ∧ is_array(r, st) → (¬ is_array(r, st0) ↔ false)
Proof step 5:
is_array(r, st), type∃(str, st[r -- _type] .type), unchangedNorec(r, st, st0) ⊦ st[r -- _type] .type .jtelemtype = void_type, st[r -- _type] .type .jtelemtype = abstract_type, type∃(str, st0[r -- _type] .type) ∧ st0[r -- _type] .type .jtelemtype ≠ void_type ∧ st0[r -- _type] .type .jtelemtype ≠ abstract_type

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]