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Use quantifiers to convert the following open sentences defined on N, into a true statement. 3x - 4 < 9

EXERCISE 1.5Q 1.2   PAGE 12
Exercise 1.5 | Q 1.2 | Page 12

Use quantifiers to convert the following open sentences defined on N, into a true statement.

3x - 4 < 9

SOLUTION

∃ x ∈ N, such that 3x – 4 < 9

It is true statement, since

x = 2, 3, 4 ∈ N satisfies 3x - 4 < 9.

Mathematical Logic