src/HOL/Computational_Algebra/Primes.thy
2017-04-26 paulson 2017-04-26 Further new material. The simprule status of some exp and ln identities was reverted.
2017-04-07 wenzelm 2017-04-07 tuned headers;
2017-04-06 haftmann 2017-04-06 session containing computational algebra