changeset 44825 | 353ddca2e4c0 |
parent 44824 | 34b83d981380 |
child 44827 | 4d1384a1fc82 |
--- a/src/HOL/Complex.thy Wed Sep 07 18:47:55 2011 -0700 +++ b/src/HOL/Complex.thy Wed Sep 07 17:41:29 2011 -0700 @@ -649,10 +649,6 @@ lemma rcis_zero_arg [simp]: "rcis r 0 = complex_of_real r" by (simp add: rcis_def) -lemma complex_of_real_minus_one: - "complex_of_real (-(1::real)) = -(1::complex)" - by (simp add: complex_of_real_def complex_one_def) - lemma complex_i_mult_minus [simp]: "ii * (ii * x) = - x" by (simp add: mult_assoc [symmetric])