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Proof step 44 from proof junkref-subspec-samesubclasses (previous step)

¬ (is_array(str, r, st) ∧ st[r -- _type] .type ≤ st[r -- _type] .type), same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0), junkrefs(str, r ' + refs0, st[r -- _type] .type, st), is_array(str0, r, st), has_classtype(st[r -- _type] .type), ∀ str0, str, r, st, refs. # refs < # refs0 → ( same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0) ∧ junkrefs(str, r ' + refs, st[r -- _type] .type, st) → junkref(str0, r, st)) ⊦ r = jvmref, junkref(str0, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 43:
⊦ ¬ is_array(str, r, st) ∧ is_array(str0, r, st) → ¬ same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ty ≤ ty])]]