| r ∈ rs ↔ r ∈ mk(rs0, f0, g0) ∪ mk(rs1, f1, g1), rs0 ∩ rs1 = ∅, P0(mk(rs0, f0)), P1(mk(rs1, f1)), mk(rs0, f0) ⊥ mk(rs1, f1), r ∈ rs → f(r) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r]o ∧ g(r) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r]a, ∀ r0. (r0 ∈ rs ↔ r0 ∈ mk(rs0, f0, g0) ∪ mk(rs1, f1, g1)) ∧ (r0 ∈ rs → f(r0) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r0]o ∧ g(r0) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r0]a), ∀ r. r ∈ rs0 → g0(r) = a, ∀ r. r ∈ rs1 → g1(r) = a ⊦ (r ∈ rs ↔ r ∈ mk(rs0, f0) ∨ r ∈ mk(rs1, f1)) ∧ (r ∈ rs → f(r) = (mk(rs0, f0) ∪ mk(rs1, f1))[r]) |
r ∈ rs ↔ r ∈ mk(rs0, f0, g0) ∪ mk(rs1, f1, g1), rs0 ∩ rs1 = ∅, P0(mk(rs0, f0)), P1(mk(rs1, f1)), r ∈ rs → f(r) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r]o ∧ g(r) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r]a, ∀ r. r ∈ rs1 → g1(r) = a, ∀ r. r ∈ rs0 → g0(r) = a, ∀ r0. (r0 ∈ rs ↔ r0 ∈ mk(rs0, f0, g0) ∪ mk(rs1, f1, g1)) ∧ (r0 ∈ rs → f(r0) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r0]o ∧ g(r0) = (mk(rs0, f0, g0) ∪ mk(rs1, f1, g1))[r0]a) ⊦ (r ∈ rs ↔ r ∈ rs0 ∨ r ∈ rs1) ∧ (r ∈ rs → f(r) = (mk(rs0, f0) ∪ mk(rs1, f1))[r])
Used simplifier rules: ⊦ r ∈ mk(rs, f) ↔ r ∈ rs; (s)% ⊦ mk(rs0, f0) ⊥ mk(rs1, f1) ↔ rs0 ∩ rs1 = ∅; (s)