Documentation

Mathlib.Analysis.Complex.ExponentialBounds

Bounds on specific values of the exponential #

theorem Real.exp_one_near_10 :
|exp 1 - 2244083 / 825552| 1 / 10 ^ 10
theorem Real.exp_one_near_20 :
|exp 1 - 363916618873 / 133877442384| 1 / 10 ^ 20
theorem Real.exp_one_gt_d9 :
2.7182818283 < exp 1
theorem Real.exp_one_lt_d9 :
exp 1 < 2.7182818286
theorem Real.exp_neg_one_gt_d9 :
0.36787944116 < exp (-1)
theorem Real.exp_neg_one_lt_d9 :
exp (-1) < 0.3678794412
theorem Real.log_two_near_10 :
|log 2 - 287209 / 414355| 1 / 10 ^ 10
theorem Real.log_two_gt_d9 :
0.6931471803 < log 2
theorem Real.log_two_lt_d9 :
log 2 < 0.6931471808
theorem Real.log_three_near_10 :
|log 3 - 109861228867 / 100000000000| 1 / 10 ^ 10
theorem Real.log_three_gt_d9 :
1.0986122885 < log 3
theorem Real.log_three_lt_d9 :
log 3 < 1.0986122888
theorem Real.log_five_near_10 :
|log 5 - 160943791243 / 100000000000| 1 / 10 ^ 10
theorem Real.log_five_gt_d9 :
1.6094379123 < log 5
theorem Real.log_five_lt_d9 :
log 5 < 1.6094379126