On Saturday, March 8, 2014 8:46:21 PM UTC-6, Chris Angelico wrote:
 
# As above, start here
a = b
# Multiply both sides by a
aa = ba
# Subtract bb (aka b squared, ASCII-friendly) from both sides
aa - bb = ba - bb
# Factor (both sides separately)
(a + b) (a - b) = b (a - b)
# Cancel out the multiplication by (a - b)      <======= if you divide by zero, the universe will explode/  
a + b = b 
# Subtract b from both sides
a = 0

I found a proof once that proved that 1==2,  but I can't find it...  let you know.

Anyway (laughs)   thanks for the grins

marcus