Most viewed questions in Discrete Mathematics

4 votes
1 answer
2551
Which predicate logic means, "There are at most two men in class"?$\forall x\forall y((Male(x)\wedge Male(y))\rightarrow (x=y \vee y=x)$$\exists x \exists y (Male(x)\wedg...
1 votes
2 answers
2553
The polynomial $x^{4}+7x^{3}-13x^{2}+11x$ has exactly one real root.
2 votes
0 answers
2555
State true or falseIf gof is surjective, then both g and f are surjective.Is it true or falseSee the theorem isIf gof is surjective, then g is surjective and f need not ...
2 votes
2 answers
2556
how many positive integers between 50 and 100,(a) divisible by 7(b) divisible by 11(c) divisible by 7 and 11?
1 votes
0 answers
2557
The number of natural numbers of two or more than two digits in which digits from left to right are in increasing order is ??? plz explain clearly
0 votes
1 answer
2561
3 votes
1 answer
2564
Express and form negation, so that no negation is to the left of the quantifier and express this negation in simple English.$$\unicode{x201C} {\small \text{Every student ...
0 votes
1 answer
2565
I know that the number of equivalence relation is bell no. i.e 7th bell no. i.e. 877, but i am not able to find the cardinality of R!Please help!
1 votes
2 answers
2566
Let $h_n$ denote the number of non-negative integral solutions of the equation $3x_1 + 4x_2 + 2x_3 + 5x_4 = n$Find the generating function $g(x)$ for $h_0,h_1,h_2,h_3 ....
2 votes
3 answers
2567
1 votes
2 answers
2568