1. Find equivalents:

2. False or true?

1. The German mathematician and philosopher Gottfried Leibniz was an outstanding thinker who developed a method of computation called calculus.

2. Leibniz was claimed to be first with the theory of calculus.

3. Gottfried Leibniz had vast and diverse knowledge in such intellectual disciplines of his day as logic and optics.

4. The Italian scientist Blaise Pascal was a brilliant mathematician and religious thinker.

5. Blaise Pascal was the founder of the previous theory of probability.

6. Pascal made a mercury barometer and measured atmospheric pressure following work on barometers by Italian scientists Galileo Galilei and Evangelista Torricelli.

7. The first digital calculator which he invented was too costly to make and was never used.