What about period placement and display-style math (as opposed to inline math). Take the following example. From FOO we can conclude that: CAT = FOOBAR D

What about period placement and display-style math (as opposed to inline math). Take the following example. From FOO we can conclude that: CAT = FOOBAR Does one place a period inside that display math? It has nothing to do with the equation, but it seems like the only reasonable place for it.