[algogeeks] Re: implication

2008-06-07 Thread Dave
A false premise implies any conclusion. Dave On Jun 7, 7:59 am, thomas <[EMAIL PROTECTED]> wrote: > for logical implication, I have puzzles. > > true table: > 1->1      1             (if 1 then 1, ok) > 1->0      0             (if 1 then 0, nok) > 0->1      1             (if 0 then 1, ok? why?)

[algogeeks] implication

2008-06-07 Thread thomas
for logical implication, I have puzzles. true table: 1->1 1 (if 1 then 1, ok) 1->0 0 (if 1 then 0, nok) 0->1 1 (if 0 then 1, ok? why?) 0->0 1 (if 0 then 0, ok) I mainly have problem to understand the third one. if proposition is

[algogeeks] Re: recursive to non recursive algorithm

2008-06-07 Thread Ashesh
Recursion is so cool. If you're willing to practice, I'd recommend you to try SML. On Jun 6, 10:40 pm, "zee 99" <[EMAIL PROTECTED]> wrote: > hi > > learnt that a tail recursive algorithm can be converted to a non recursive > one by merely using a while and a goto > > is it true for all class of r