Propositions (relevant) Flashcards
1
Q
What is a proposition?
A
The factual content of a statement, belief or assertion
2
Q
What can a proposition be?
A
Either true or false
3
Q
How can you test if something is a proposition?
A
Add ‘is true’ after the statement, if it makes sense it is a proposition
4
Q
When are two propositions consistent?
A
They can both be true
5
Q
When are two propositions contradictory?
A
They cannot both be true and cannot both be false
6
Q
When are two propositions contrary?
A
They cannot both be true but can both be false
7
Q
When are two propositions sub-contrary?
A
They can both be true but cannot both be false
8
Q
What are the two sorts of propositions?
A
Premises and conclusions