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147pm
  • Member for 10 years, 11 months
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  • Northern Indiana
28 votes
7 answers
11k views

Please Explain Kuratowski Definition of Ordered Pairs

5 votes
3 answers
2k views

How to symbolically write "there exists at most"

3 votes
1 answer
219 views

SICP: Why does this recursion-based sine approximation work?

3 votes
2 answers
242 views

Peano axioms with only sets and mapping

3 votes
1 answer
71 views

Rational function must have polynomials?

2 votes
1 answer
86 views

What really are functions added together?

2 votes
6 answers
349 views

How to write absolute value as a "true" function

2 votes
3 answers
2k views

Greatest common divisor of more than two numbers

2 votes
0 answers
2k views

Math, logic symbol for "instance of"

2 votes
5 answers
1k views

How do Peano Axioms imply "nextness" with the successor?

2 votes
5 answers
61 views

A more logical approach to a word problem

2 votes
1 answer
489 views

How to turn data into functions

2 votes
1 answer
66 views

ZF Axiom of Extensionality implies unique determination?

2 votes
1 answer
96 views

What is meant by a "Cantorian sense of a graph"?

2 votes
4 answers
111 views

Bound/free variables in $\sum_{k=1}^{10}f(k,n)$

2 votes
4 answers
1k views

Peano axiom of induction with "no junk"

1 vote
1 answer
44 views

Which concept is more general, Cartesian Product or Rule of Product or Direct Product?

1 vote
2 answers
145 views

Set version of Intermediate Value Theorem

1 vote
2 answers
418 views

Relationship between Pythagorean Theorem and leg-hypotenuse lengths

1 vote
1 answer
76 views

Piecewise step function for changing dollar amounts?

1 vote
3 answers
162 views

Peano Induction Axiom [closed]

1 vote
1 answer
651 views

Why is a polynomial also a rational function?

1 vote
1 answer
97 views

Layman symmetry versus mathematical symmetry

0 votes
1 answer
174 views

Proof of Pascal's Rule confusion

0 votes
5 answers
120 views

Peano Induction confusion

0 votes
2 answers
2k views

Peano Addition is recursive?

0 votes
1 answer
132 views

Peano and induction according to Schaum's Outline

0 votes
1 answer
169 views

Must a rational function always be in numerator-denominator form?

0 votes
2 answers
98 views

Courant's proof of irrational number

0 votes
0 answers
265 views

Multigraph definition confusion