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Reasoning & proof quiz
Five questions on Reasoning & proof. Answer all 5 to see your score. Questions are drawn from a bank of 15, so every attempt is different.
Question 1 of 5
Drawing a general conclusion from observed examples is:
Question 2 of 5
How many counterexamples are needed to disprove a conjecture?
Question 3 of 5
If p implies q and q implies r, then p implies r. This is the law of:
Question 4 of 5
If a = b and b = c, then a = c is the:
Question 5 of 5
For which n does n^2 + n + 41 first fail to be prime?