Question

Exercise 1.(50 pts) Translate the following sentences to symbols, write a useful negation, and translate back...

Exercise 1.(50 pts) Translate the following sentences to symbols, write a useful negation, and translate back to English the negation obtained.

1. No right triangle is isoceles

2. For every positive real number x, there is a unique real number y such that 2^y=x

.Exercise 2.(50 pts) Which of the following are true? Explain your answer.

1.(∀x∈R)(x^2+ 6x+ 5 ≥ 0).

2.(∃x∈N)(x^2−x+ 41 is prime)

Homework Answers

Answer #1

Quite easy!!!

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