Pick the correct observation from the following argument: 'All dogs are cats. All cats are whales. Therefore, all whales are dogs.'

AIt is a valid argument and contains true premises and a true conclusion

BIt is an invalid argument and contains false premises and a true conclusion

CIt is an invalid argument and contains false premises and a false conclusion ✓ Correct

DIt is an invalid argument and contains true premises and a false conclusion

Correct answer: (C) It is an invalid argument and contains false premises and a false conclusion

Explanation

The argument is invalid and has false premises with a false conclusion.

'All dogs are cats' and 'all cats are whales' are both false.

From 'all D are C' and 'all C are W' only 'all dogs are whales' would follow.

'All whales are dogs' reverses the terms and does not follow, so the form is invalid.

Its conclusion, that all whales are dogs, is also false in fact.

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