syllogistic logic

It was when observation of Nature and its laws became a paramount pursuit that the defects of Syllogistic Logic began to be felt.

The real discipline of Syllogistic Logic lies in the reduction of common speech to these forms.

It is even said that all the doctrines of Deductive or Syllogistic Logic may be educed from them.

The current syllogistic logic rests on the assumption that either A is B or it is not B.