Full Idea
The syncategorematic word 'every' does not signify any fixed thing, but when added to 'man' it makes the term 'man' stand for all men actually.
Clarification
'Syncategorematic' words are almost meaningless linking words in sentences
Gist of Idea
The word 'every' only signifies when added to a term such as 'man', referring to all men
Source
William of Ockham (Summa totius logicae [1323], I.c.iv)
Book Reference
Ockham,William of: 'Ockham's Philosophical Writings', ed/tr. Boehner,P [Hackett 1990], p.51
A Reaction
Although quantifiers may have become a part of formal logic with Frege, their importance is seen from Aristotle onwards, and it is clearly a key part of William's understanding of logic.