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Proof step 20 from proof stsub-copy (previous step)

newref(r0, st) ⊦ (∀ rk. rk ∈ st → rk ∈ arraycopy(r, i, r0, i0, j, st0) ∧ st[rk] = (arraycopy(r, i, r0, i0, j, st0)[rk])) ↔ (∀ rk. rk ∈ st → rk ∈ st0 ∧ st[rk] = st0[rk]), r0 = jvmref

User applied rule case distinction

And obtained the following new goals

Proof step 11:
∀ rk. rk ∈ st → rk ∈ arraycopy(r, i, r0, i0, j, st0) ∧ st[rk] = (arraycopy(r, i, r0, i0, j, st0)[rk]), newref(r0, st) ⊦ ∀ rk. rk ∈ st → rk ∈ st0 ∧ st[rk] = st0[rk], r0 = jvmref
Proof step 19:
∀ rk. rk ∈ st → rk ∈ st0 ∧ st[rk] = st0[rk], newref(r0, st) ⊦ ∀ rk. rk ∈ st → rk ∈ arraycopy(r, i, r0, i0, j, st0) ∧ st[rk] = (arraycopy(r, i, r0, i0, j, st0)[rk]), r0 = jvmref

Rule argument

[CASEDARG : pos: right 1, ()]

Additional information

[[CONCRETESIMPRULES : ()]]