simplification rules for iff #1, ?x_0 ↔ ?x_0 ↦ true #1, false ↔ ?x_0 ↦ ¬?x_0 #1, ?x_0 ↔ false ↦ ¬?x_0 #1, true ↔ ?x_0 ↦ ?x_0 #1, ?x_0 ↔ true ↦ ?x_0 #0, false ↔ true ↦ false #0, true ↔ false ↦ false #1, ¬?x_0 ↔ ?x_0 ↦ false #1, ?x_0 ↔ ¬?x_0 ↦ false #2, ?x_0 - ?x_1 ≤ ?x_0 ↦ true #1, 0 ≤ ?x_0 ↦ true #1, succ ?x_0 ≤ ?x_0 ↦ false #1, pred ?x_0 ≤ ?x_0 ↦ true #1, ?x_0 ≤ succ ?x_0 ↦ true #1, ?x_0 ∧ ?x_0 ↦ ?x_0 #1, ?x_0 ∧ ¬?x_0 ↦ false #1, ¬?x_0 ∧ ?x_0 ↦ false #1, false ∧ ?x_0 ↦ false #1, ?x_0 ∧ false ↦ false #1, true ∧ ?x_0 ↦ ?x_0 #1, ?x_0 ∧ true ↦ ?x_0 #3 perm, ?x_0 ∧ ?x_1 ∧ ?x_2 ↦ ?x_1 ∧ ?x_0 ∧ ?x_2 #3, (?x_0 ∧ ?x_1) ∧ ?x_2 ↦ ?x_0 ∧ ?x_1 ∧ ?x_2 #2 perm, ?x_0 ∧ ?x_1 ↦ ?x_1 ∧ ?x_0 #2, ?x_1 == ?x_1 ↦ true #2, ?x_0 - ?x_1 < succ ?x_0 ↦ true #1, ?x_0 < 0 ↦ false #1, ?x_0 < succ ?x_0 ↦ true #1, 0 < succ ?x_0 ↦ true #1, ?x_0 ∨ ?x_0 ↦ ?x_0 #1, false ∨ ?x_0 ↦ ?x_0 #1, ?x_0 ∨ false ↦ ?x_0 #1, true ∨ ?x_0 ↦ true #1, ?x_0 ∨ true ↦ true #3 perm, ?x_0 ∨ ?x_1 ∨ ?x_2 ↦ ?x_1 ∨ ?x_0 ∨ ?x_2 #3, (?x_0 ∨ ?x_1) ∨ ?x_2 ↦ ?x_0 ∨ ?x_1 ∨ ?x_2 #2 perm, ?x_0 ∨ ?x_1 ↦ ?x_1 ∨ ?x_0 #2, ?x_1 = ?x_1 ↦ true #4, ite ?x_0 ?x_1 ?x_2 ↦ (?x_0 → ?x_1) ∧ (¬?x_0 → ?x_2) #0, ¬true ↦ false #2, ¬?x_1 = ?x_1 ↦ false #0, ¬false ↦ true #1, false → ?x_0 ↦ true #1, true → ?x_0 ↦ ?x_0 #1, ?x_0 → true ↦ true #1, ?x_0 → ?x_0 ↦ true #3, ?x_0 → ?x_1 ∧ ?x_2 ↦ (?x_0 → ?x_1) ∧ (?x_0 → ?x_2) #3, ?x_0 ∨ ?x_1 → ?x_2 ↦ (?x_0 → ?x_2) ∧ (?x_1 → ?x_2) #3, ?x_0 ∧ ?x_1 → ?x_2 ↦ ?x_0 → ?x_1 → ?x_2 simplification rules for eq #1, g ?x_0 ↦ f ?x_0 + 1 #2, g ?x_0 ↦ 1 #2, f ?x_0 ↦ 0 #3, ite false ?x_1 ?x_2 ↦ ?x_2 #3, ite true ?x_1 ?x_2 ↦ ?x_1 #4, ite ?x_0 ?x_3 ?x_3 ↦ ?x_3 #1, 0 - ?x_0 ↦ 0 #2, succ ?x_0 - succ ?x_1 ↦ ?x_0 - ?x_1