(mnemonic? ^___^ i had to look that one up!) the SOHCAHTOA rhyme is another perfect example, it's very true. *lol*

you're right, it's just as much fun to be proven wrong as to be proven right. i enjoy the debate more than the outcome, most of the time. and he's really brilliant, so i don't feel bad when he walks all over me with logic. ^___^