What is a proposition?
What are the four standard categorical propositions?
What type of proposition is 'All dogs are mammals'?
What type of proposition is 'No reptiles are mammals'?
What type of proposition is 'Some birds can fly'?
What is the subject of a proposition?
What is the predicate of a proposition?
What is the copula in a proposition?
What are contradictory propositions?
What are contrary propositions?
What is the quality of a proposition?
What is the quantity of a proposition?
When is a term distributed in a proposition?
Hint: The subject of A-propositions and both terms of E-propositions are distributed
In the A-proposition 'All poets are writers,' which term is distributed?
Hint: Universal affirmative propositions distribute the subject, not the predicate
In the E-proposition 'No mammals are reptiles,' which terms are distributed?
Hint: Universal negatives make a claim about every member of both classes
Why does distribution matter when testing a categorical syllogism?
Hint: An illicit process distributes a term in the conclusion but not in the premises
What is a proposition in logic?
What is the A-proposition in the categorical system?
What is the E-proposition in the categorical system?
What is the I-proposition in the categorical system?
What is the O-proposition in the categorical system?