Cascadilla Press is now selling sets of mini-posters for linguistics adapted from vintage propaganda poster designs and old WPA poster art. These are 5.5" x 8.5" (140 x 216 mm) mini-posters printed on a premium matte 16 pt cover stock as a set of 9 different designs. You can see the set and order at: https://www.cascadilla.com/miniposters.html

In some discourses, a given inference would be natural at one point, but impossible at the next. We focus here on such cases with inferences of temporal and causal order usually described as ambiguit ...

The LINGUIST List, International Linguistics Community Online.