Philosophy Class

"The Truth will make you odd."

                              THE SQUARE

Square of Opposition

Below is a sample of the Square of Opposition

 

 

Look at the first proposition on the top left of the square:  "All cats are winged"

This is called a Universal Positive Proposition

It is also called an "A" proposition.

 

POSTIVE PROPOSITIONS:

A positive proposition units the subect to the predicate in this proposition.

 

ALL CATS ARE WINGED.

Subject - cats  

 

ALL CATS ARE WINGED

 Predicate - winged

 

ALL CATS ARE WINGED

Copula or verb - are

ARE unites cats with winged.

When we start analyzing a proposition as a whole, we

consider the predicate first.  Then we consider how the

subject is related or not to the predicate.

 

(NOTE WELL: in this exercise so far we are not considering

at all the truth or falsity of any of these propositions.  We

are considering the structure and the terms of the

sentence.)

 

EXAMPLE:

In this proposition WINGED refers to all winged things.

ALL CATS refers to every cat that is.

 

We consider the predicate first. always !

 

Cats don't belong in the circle "winged Things" sooo ?

 

 

(Carry on. Now you know the basics)

 

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