Which of the following statements are false?

Choose from the code given below:

1. Inductive arguments always proceed from the particular to the general.

2. A cogent argument must be inductively strong.

3. A valid argument may have a false premise and a false conclusion.

4. An argument may legitimately be spoken of as 'true or 'false'.

Code:

If the statement 'some men are cruel' is false, which of the following statements/statement are/is true?

(i) All men are cruel.

(ii) No men are cruel.

(iii) Some men are not cruel.

Assertion (A): The coin, when gets flipped up next time, it will come up tails.

Reason (R): Because the coin was being flipped five times in a row, and each time it came up heads.

Choose the correct answer from below:

If the proposition 'Vegetarians are not meat-eaters' is false, then which of the following inferences is/are correct? Choose from the codes given below:

1. 'Some vegetarians are meat-eaters' is true.

2. 'All vegetarians are meat-eaters' is doubtful.

3. 'Some vegetarians are not meat-eaters' is true.

4. 'Some vegetarians are not meat-eaters' is doubtful.

Codes:

Explain the statement  -  A Venn diagram is a kind of diagram to: