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Proof step 15 from proof junkrefs-one (conclusion)

⊦ junkrefs(str, r ', ty, st) ↔ r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty)

User applied rule cut formula

And obtained the following new goals

Proof step 3:
r = jvmref ⊦ junkrefs(str, r ', ty, st) ↔ r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty)
Proof step 14:
⊦ r = jvmref, junkrefs(str, r ', ty, st) ↔ r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty)

Rule argument

[fma-arg: r = jvmref]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (r = jvmref)]]