In the Middle Ages, variations on the liar paradox were studied under the name of insolubilia (insolubles). Although the liar paradox was well known in antiquity, interest seems to have lapsed until the twelfth century, when it appears to have been reinvented independently of ancient authors. Medieval interest may have been inspired by a passage i...
Found on
http://en.wikipedia.org/wiki/Insolubilia
(from the article `logic, history of`) ...inference generated a literature on `consequences` that went into far more detail than any previous studies. By the late 12th or early 13th ...
Found on
http://www.britannica.com/eb/a-z/i/25
See Paradoxes, logical.
Found on
https://www.encyclo.co.uk/local/21203
No exact match found.
