Inevitably, your eloquent words shall confound several of the most vapid minds who post upon this thread. I have yet twice a week of studious academics, but I haven't been in my English II class for quite an extensive period of time. US History II has taken its position in the second half of my school year.
PS- Simple word. I knew it in 5th grade. A bilateral triangle is an impossible phenomenon, yet is extant in the minds of many a mathematical philosopher.