Exercises 2
Written by Dr. Elihu Carranza   
Saturday, 01 September 2007 16:31

  Exercise 2.1: Definitions Four Forms

Instructions: Fill in the blanks in each statement with the letter of the most correct answer.

a affirmative forms f proposition
b distributed term g undistributed term
c immediate inference h universal forms
d negative forms i valid
e particular forms j none
   
1 A(n) _____ is defined as the meaning of a declarative sentence
2 _____ is composed of two propositions with two terms.
3 Whenever the form of the conclusion is true every time the forms of the premises are, we say the inference is _____ .
4 The forms A and I are _____ .
5 The forms E and O are _____ .
6 A(n) _____ is one modified by the adjective all or no.
7 A(n) _____ is one modified by the adjective some.
8 _____ do not distribute their predicates.
9 _____ distribute their predicates.
10 _____ distribute their subjects.

Exercise 2.2: Relations between Propositions

Instructions: Fill in the blanks in each statement with the letter of the correct answer.

a contraries f subcontraries
b contradictories g true
c false    h reflexive
d undetermined i symmetrical
e subalternation j transitive
   
1 A and E are opposed as _____ .
2 I and O are opposed as _____.
3 A and O are opposed as _____.
4 E and I are opposed as _____ .
5 _____ both universal in quantity, may both be false together.
6 _____ both particular in quantity, may both be true together.
  Assuming the same subject terms and the same predicate terms: (7-10)
7 If A is true, then E _____ I _____ O _____.
8 If E is false, then I _____ A_____ O _____ .
9 If I is true, then E _____ A _____ O _____ .
10 If O is false, then A _____ E _____ I _____ .
11 If one of the subcontraries is true, then a pair of diagonals will be _____ .
12 A relationship that holds between one of its objects and that object itself is _____ .
13 A _____ relationship is one which, if it holds between two of its objects, a and b, also holds between b and a.
14 A relationship is _____ , if, when it holds between two of its objects, a and b, and also holds between b and c, it holds as well between a and c.
15 Match the lists below with the correct answer from the list above.
     
1 ... equal ... ________
2 ... is less than ... ________
3 ... is the twin of... ________
4 ... is greater than ... ________
5 ... is the cousin of ... ________
6 ... is the ancestor of... ________
7 ... is subsequent to ... ________
8 ... implies ... ________

 

 

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