1.

Write the component statements of the following compound statements and check whether the compound statement is true or false: (i) the perimeter of a right-angled triangle and an equilateral triangle is equal to the sum of three sides. (ii) 72 is a multiple of 18 and 24. (iii) 0 is smaller than every positive integer and every negative integer. (iv) a line is straight and extends indefinitely in both directions.

Answer»

Solution :(i) component statements L: p: the perimeter of a right -angled triangle is equal to the sum of three sides.
q : the perimeter of an equilateral triangle is equal to the sum of three sides .
compound statements is true.
(ii) component statements :
p: 72 is a multiple of 18.
q: 72 is a multiple of 24.
compound statement is true.
(iii)compound statements :
p: 0 is smaller than EVERY positive integer.
q: 0 is smaller than every negative integer.
compound statement is false.
(iv) component statements :
p: a LINE is straight.
q: a line EXTENDS indefinitely in both dirction .


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