| ⊦ ((btree(rp, r0, adr, height, dirty0, ri, iast, ∅, alladrs, nstat) * P))(zh0) → ((btree(rp, r0, adr, height, dirty0, ri, ∅, ∅, alladrs, nstat) * P))(zh0) |
((btree(rp, r0, adr, height, dirty0, ri, iast, ∅, alladrs, nstat) * P))(zh0) ⊦ ((btree(rp, r0, adr, height, dirty0, ri, ∅, ∅, alladrs, nstat) * P))(zh0)