src/HOL/Library/refute.ML
2013-04-10 wenzelm 2013-04-10 more standard module name Axclass (according to file name);
2013-03-27 wenzelm 2013-03-27 more robust access Toplevel.proof_of -- prefer warning via Toplevel.unknown_proof over hard crash (notably for skipped proofs);
2012-12-14 wenzelm 2012-12-14 updated some headers;
2012-10-31 blanchet 2012-10-31 moved Refute to "HOL/Library" to speed up building "Main" even more