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Proof step 13 from proof compatrefs-mode (previous step)

⊦ (∀ r. r ≠ jvmref ∧ r -- _type ∈ st ∧ is_typevalue(st[r -- _type]) → (is_classtype(st[r -- _type] .type) ∧ class+∃(str, st[r -- _type] .type .class) → compatobj(str, r, st)) ∧ ( is_arraytype(st[r -- _type] .type) ∧ ( ¬ has_classtype(st[r -- _type] .type) ∨ class∃(str, st[r -- _type] .type .type .jtelemtype .class) ∨ interface∃(str, st[r -- _type] .type .type .jtelemtype .class) ∨ is_predefined_class(st[r -- _type] .type .type .jtelemtype .class)) → compatarray(str, r, st))) ↔ (∀ r. r ≠ jvmref ∧ r -- _type ∈ st ∧ is_typevalue(st[r -- _type]) → (is_classtype(st[r -- _type] .type) ∧ class+∃(str, st[r -- _type] .type .class) → compatobj(str, r, st)) ∧ ( is_arraytype(st[r -- _type] .type) ∧ (¬ has_classtype(st[r -- _type] .type) ∨ tdname+∃(str, st[r -- _type] .type .type .jtelemtype .class)) → compatarray(str, r, st)))

User applied rule case distinction

And obtained the following new goals

Rule argument

[CASEDARG : pos: right 1, ()]

Additional information

[[CONCRETESIMPRULES : ()]]