00:01
The question is above the deductive arguments, the deductive arguments.
00:14
Now coming to the first part of the question, you are asked, if a deductive argument is valid and all of its premises are true, then the argument must be sound.
00:38
The argument must be sound.
00:40
Because if a sound deductive argument, in a sound deductive argument, in a sound deductive argument.
00:58
The conclusion is always true.
01:02
The conclusion is always true and this is valid and all its premises are actually true.
01:18
For the first option, option c is the correct answer.
01:25
Option c that the argument must be sound.
01:30
Now coming to the second part, if all the premises of a deductive argument are false, then it is not possible to say anything from the given information.
01:52
Therefore, option c which says the argument is invalid...