hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51478
move continuous and continuous_on to the HOL image; isCont is an abbreviation for continuous (at x) (isCont is now restricted to a T2 space)
hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51477
clean up lemma_nest_unique and renamed to nested_sequence_unique
hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51476
simplify proof of the Bolzano bisection lemma; use more meta-logic to state it; renamed lemma_Bolzano to Bolzano
hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51475
introduct the conditional_complete_lattice type class; generalize theorems about real Sup and Inf to it
hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51474
generalize Bfun and Bseq to metric spaces; Bseq is an abbreviation for Bfun
hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51473
move first_countable_topology to the HOL image
hoelzl [Fri, 22 Mar 2013 10:41:43 +0100] rev 51472
move metric_space to its own theory
hoelzl [Fri, 22 Mar 2013 10:41:42 +0100] rev 51471
move topological_space to its own theory
wenzelm [Thu, 21 Mar 2013 16:58:14 +0100] rev 51470
proper metric for blanks -- NB: 70f7483df9cb discontinues coincidence of char_width with space width;
wenzelm [Thu, 21 Mar 2013 16:35:53 +0100] rev 51469
eliminated char_width_int to avoid unclear rounding;
clarified integer conversion for margin;