[lemma=□ | □] □
[lemma=versus | □] □
[lemma=postmodern | □] □
A third category of " epic divides " suggests that some of the most powerful themes that seem to be of relatively recent " information-age " vintage and currency , such as parallel versus serial or analog versus digital , actually have deep and profound historical roots , as does another great divide that will pose a challenge and a question to educators - - whether we determine that the mathematics and science literacy and proficiencies that new technologies afford will be for some - - or for all . We found one randomised controlled trial of 32 patients comparing cyclophosphamide versus methylprednisolone for the treatment of neuropsychiatric involvement in the systemic lupus erythematosus . It 's that element of cost versus satisfaction gained and how a real person would weigh them up that makes this tale a successful legend . Sinewaves versus pulse waves . The ideal study design for Phase II / III clinical trials is randomized and placebo-controlled ( condom and placebo versus condom and active product ) .