Module Export Numbers. Module Export Natural. Module Export Peano. Module NPeano. Export Coq.Numbers.Natural.Peano.NPeano. Import Coq.Arith.Even. Notation leb := Nat.leb (compat "8.4"). Notation ltb := Nat.ltb (compat "8.4"). Notation leb_le := Nat.leb_le (compat "8.4"). Notation ltb_lt := Nat.ltb_lt (compat "8.4"). Notation pow := Nat.pow (compat "8.4"). Notation pow_0_r := Nat.pow_0_r (compat "8.4"). Notation pow_succ_r := Nat.pow_succ_r (compat "8.4"). Notation square := Nat.square (compat "8.4"). Notation square_spec := Nat.square_spec (compat "8.4"). Notation Even := Nat.Even (compat "8.4"). Notation Odd := Nat.Odd (compat "8.4"). Notation even := Nat.even (compat "8.4"). Notation odd := Nat.odd (compat "8.4"). Notation even_spec := Nat.even_spec (compat "8.4"). Notation odd_spec := Nat.odd_spec (compat "8.4"). Lemma Even_equiv n : Even n <-> Even.even n. Proof. symmetry. apply Even.even_equiv. Qed. Lemma Odd_equiv n : Odd n <-> Even.odd n. Proof. symmetry. apply Even.odd_equiv. Qed. Notation divmod := Nat.divmod (compat "8.4"). Notation div := Nat.div (compat "8.4"). Notation modulo := Nat.modulo (compat "8.4"). Notation divmod_spec := Nat.divmod_spec (compat "8.4"). Notation div_mod := Nat.div_mod (compat "8.4"). Notation mod_bound_pos := Nat.mod_bound_pos (compat "8.4"). Notation sqrt_iter := Nat.sqrt_iter (compat "8.4"). Notation sqrt := Nat.sqrt (compat "8.4"). Notation sqrt_iter_spec := Nat.sqrt_iter_spec (compat "8.4"). Notation sqrt_spec := Nat.sqrt_spec (compat "8.4"). Notation log2_iter := Nat.log2_iter (compat "8.4"). Notation log2 := Nat.log2 (compat "8.4"). Notation log2_iter_spec := Nat.log2_iter_spec (compat "8.4"). Notation log2_spec := Nat.log2_spec (compat "8.4"). Notation log2_nonpos := Nat.log2_nonpos (compat "8.4"). Notation gcd := Nat.gcd (compat "8.4"). Notation divide := Nat.divide (compat "8.4"). Notation gcd_divide := Nat.gcd_divide (compat "8.4"). Notation gcd_divide_l := Nat.gcd_divide_l (compat "8.4"). Notation gcd_divide_r := Nat.gcd_divide_r (compat "8.4"). Notation gcd_greatest := Nat.gcd_greatest (compat "8.4"). Notation testbit := Nat.testbit (compat "8.4"). Notation shiftl := Nat.shiftl (compat "8.4"). Notation shiftr := Nat.shiftr (compat "8.4"). Notation bitwise := Nat.bitwise (compat "8.4"). Notation land := Nat.land (compat "8.4"). Notation lor := Nat.lor (compat "8.4"). Notation ldiff := Nat.ldiff (compat "8.4"). Notation lxor := Nat.lxor (compat "8.4"). Notation double_twice := Nat.double_twice (compat "8.4"). Notation testbit_0_l := Nat.testbit_0_l (compat "8.4"). Notation testbit_odd_0 := Nat.testbit_odd_0 (compat "8.4"). Notation testbit_even_0 := Nat.testbit_even_0 (compat "8.4"). Notation testbit_odd_succ := Nat.testbit_odd_succ (compat "8.4"). Notation testbit_even_succ := Nat.testbit_even_succ (compat "8.4"). Notation shiftr_spec := Nat.shiftr_spec (compat "8.4"). Notation shiftl_spec_high := Nat.shiftl_spec_high (compat "8.4"). Notation shiftl_spec_low := Nat.shiftl_spec_low (compat "8.4"). Notation div2_bitwise := Nat.div2_bitwise (compat "8.4"). Notation odd_bitwise := Nat.odd_bitwise (compat "8.4"). Notation div2_decr := Nat.div2_decr (compat "8.4"). Notation testbit_bitwise_1 := Nat.testbit_bitwise_1 (compat "8.4"). Notation testbit_bitwise_2 := Nat.testbit_bitwise_2 (compat "8.4"). Notation land_spec := Nat.land_spec (compat "8.4"). Notation ldiff_spec := Nat.ldiff_spec (compat "8.4"). Notation lor_spec := Nat.lor_spec (compat "8.4"). Notation lxor_spec := Nat.lxor_spec (compat "8.4"). Infix "<=?" := Nat.leb (at level 70) : nat_scope. Infix "