immler [Wed, 12 Nov 2014 17:37:43 +0100] rev 58986
disjunction and conjunction for forms
immler [Wed, 12 Nov 2014 17:37:43 +0100] rev 58985
truncate intermediate results in horner to improve performance of approximate;
more efficient truncated addition float_plus_up/float_plus_down
immler [Wed, 12 Nov 2014 17:36:36 +0100] rev 58984
added lemmas: convert between powr and log in comparisons, pull log out of addition/subtraction
immler [Wed, 12 Nov 2014 17:36:32 +0100] rev 58983
cancel real of power of numeral also for equality and strict inequality;
simplify floor of power of numeral;
lemmas about real/floor
immler [Wed, 12 Nov 2014 17:36:29 +0100] rev 58982
simplified computations based on round_up by reducing to round_down;
more general round_up_le1, round_up_less1, round_down_ge1, round_up_le0
immler [Wed, 12 Nov 2014 17:36:25 +0100] rev 58981
code equation for powr