0 relating to statements or problems that must be solved or proved to be true or not true:
It doesn't mean anything because it doesn't have any propositional content.
The second chapter introduces propositional logic.
We assume that the reader is familiar with the notation and basic notions of propositional logic.
The trick is to consider a continuation-based semantics of the propositional calculus.
This calculus has a notion of type assignment that corresponds nicely to implicational propositional logic, in the framework of natural deduction.
Mastery of the structure of the rules is not something about which we (in general) possess propositional knowledge.
Each speaker's use of psychological state words and propositional complements was calculated as a percentage of total utterances (100).
What is, however, the propositional attitude involved in utterances which declare facts as proven?
The children's mean length of utterance, total words uttered, lexical diversity, and use of propositional complements were assessed.
The late talkers in this sample were also delayed in their ability to use propositional complements.
