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Proof step 18 from proof exists-twonew (previous step)

jvmref < r, r < r0, jvmref < r0, ∀ r. ∃ r0. r < r0, ∀ r0. r0 ∈ st → r0 < r ⊦ r = r0, r0 ≠ jvmref ∧ (∀ rk. rk ∈ st → rk .ref ≠ r0) ∧ newref(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
jvmref < r, r < r0, jvmref < r0, ∀ r. ∃ r0. r < r0, ∀ r0. r0 ∈ st → r0 < r ⊦ r = r0, r0 = jvmref, newref(r, st) ∧ (rk ∈ st → rk .ref ≠ r0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ r < r], [CSIMPFORWARD : ⊦ r < r0 ∧ r0 < r1 → r < r1])]]