User Omar_Hafez - Mathematics Stack Exchange

3 votes

1 answer

132 views

Number of $2\times n$ matrices with numbers $1$-$n$

asked Dec 8, 2021 at 22:02

1 vote

2 answers

577 views

problem from Kenneth Rosen's Discrete Mathematics and its Applications, Section 1.5

asked Mar 31, 2020 at 3:45

1 vote

0 answers

64 views

can ∀𝑟(∃𝑥,𝑦(𝑥≠𝑦∧∀𝑧(𝐻(𝑧,𝑟)→(𝑧=𝑥∨𝑧=𝑦)))) be rewritten as: ∃𝑥,𝑦(𝑥≠𝑦∧∀𝑧(∀𝑟𝐻(𝑧,𝑟)→(𝑧=𝑥∨𝑧=𝑦)))?

asked Mar 31, 2020 at 23:49

1 vote

0 answers

34 views

Problem from Kenneth Rosen's Discrete Mathematics and its Applications, Section 1.8 [duplicate]

asked Apr 11, 2020 at 8:08

0 votes

2 answers

914 views

Laplace Transform of: $\cos(4t) * \sin(3t)$

asked Dec 2, 2019 at 19:28

0 votes

2 answers

145 views

What mathematics do I need to be a good software engineer? [closed]

asked Dec 2, 2019 at 22:19

0 votes

1 answer

784 views

Construct a compound proposition that asserts that every cell of a 9 × 9 Sudoku puzzle contains at least one number

asked Mar 22, 2020 at 19:42

0 votes

1 answer

810 views

problem from Kenneth Rosen's Discrete Mathematics and its Applications, Section 1.4

asked Mar 28, 2020 at 1:44

0 votes

1 answer

373 views

Express each of these statements using predicates and quantifiers [closed]

asked Mar 28, 2020 at 21:03

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9 Questions

Number of $2\times n$ matrices with numbers $1$-$n$

problem from Kenneth Rosen's Discrete Mathematics and its Applications, Section 1.5

can ∀𝑟(∃𝑥,𝑦(𝑥≠𝑦∧∀𝑧(𝐻(𝑧,𝑟)→(𝑧=𝑥∨𝑧=𝑦)))) be rewritten as: ∃𝑥,𝑦(𝑥≠𝑦∧∀𝑧(∀𝑟𝐻(𝑧,𝑟)→(𝑧=𝑥∨𝑧=𝑦)))?

Problem from Kenneth Rosen's Discrete Mathematics and its Applications, Section 1.8 [duplicate]

Laplace Transform of: $\cos(4t) * \sin(3t)$

What mathematics do I need to be a good software engineer? [closed]

Construct a compound proposition that asserts that every cell of a 9 × 9 Sudoku puzzle contains at least one number

problem from Kenneth Rosen's Discrete Mathematics and its Applications, Section 1.4

Express each of these statements using predicates and quantifiers [closed]