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# MTH001 Assignment#01 Solution & Discussion Due Date:11-11-2010

Question: 1                                                                                                                               Marks: 10

Using a truth table determine whether the following argument is VALID or INVALID:

If you practice a lot, then you get very good marks in Mathematics.

You did not practice a lot.
Therefore, you did not get very good marks.

Also formulate the above arguments symbolically and mention critical row (or rows) in the truth table.

Question: 2                                                                                                                        Marks: 05+05

a)

For the conditional:

“If a>3 then a>0”. Determine the truthness of its converse.

b)

Justify the truthness of the biconditional: > 0   > 0.

Question: 3                                                                                                                               Marks: 10

Let A = {1, 2, 3, 4} and R = {(1, 1), (1, 2), (1, 4), (2, 1), (2, 2), (3, 3), (4, 1), (4, 4)}

be a binary relation on A. Then

(a)  Decide whether the given relation R is reflexive, irreflexive, symmetric, and/or transitive. Justify with reasons.

(b)  Draw the directed graph of R.

(c)   Write matrix representation of the given relation R on set A

For complete assignment. see the attached file pls

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iska solution dede please.... q2 ka orr q3 ka... please koi solution dede... dill se dua du ga...!!!
I am Also waiting for solution......
11th last ha....
in q3 relations are symmetric and reflexive both................same graph and same matrix............... for more detail read lecture # 8,9,10................hope it work.....
Any budy did Maths001 mid Term Paper kindly share

Regards

Tanveer

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