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Proof step 21 from proof validref-subspec-samesubclasses-01 (previous step)

same-subclasses-contains(ty .jtelemtype .class, str, str0), tdname+∃(str0, ty .jtelemtype .class), st[r -- _type] .type ≤ ty, junkref(str, r, st), has_classtype(st[r -- _type] .type) ⊦ r = jvmref, junkref(str0, r, st), same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
⊦ same-subclasses-contains(class, str, str0) ∧ class0 ≤ class ∧ tdname+∃(str0, class) → same-subclasses-contains(class0, str, str0)
Proof step 20:
¬ ( same-subclasses-contains(ty .jtelemtype .class, str, str0) ∧ st[r -- _type] .type .jtelemtype .class ≤ ty .jtelemtype .class ∧ tdname+∃(str0, ty .jtelemtype .class)), same-subclasses-contains(ty .jtelemtype .class, str, str0), tdname+∃(str0, ty .jtelemtype .class), st[r -- _type] .type ≤ ty, junkref(str, r, st), has_classtype(st[r -- _type] .type) ⊦ r = jvmref, junkref(str0, r, st), same-subclasses-contains(st[r -- _type] .type .jtelemtype .class, str, str0)

Rule argument

[crewrite-arg: same-subclasses-subclass , F , [class, str, str0, class0] → [ty .jtelemtype .class, str, str0, st[r -- _type] .type .jtelemtype .class] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (ty .jtelemtype .class, str, str0, st[r -- _type] .type .jtelemtype .class)]]