| H1 ++ r = H0 ∪ H4 ∪ H3, P(H4), P0(H3), r0 ∈ H4, H4 ⊥ H3, H0 ⊥ H4, H0 ⊥ H3, ∀ r1. ((r = r1 ⊃ O1(r0);O1(r1)) = O1(r0) ↔ O2(r1) = O1(r0)) ∧ ((r = r1 ⊃ O1(r0);O1(r1)) = O1(r0) → (r1 = r ∨ r1 ∈ H1 ↔ r1 ∈ H2) ∧ (r1 = r ∨ r1 ∈ H1 → (H1 ++ r)[r1] = H2[r1])) ⊦ O2(r0) = O1(r0), r = null, r ∈ H1 |
Used terms: r0