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MphLee

The main problems I like to "work/play/learn" with are Iteration of recursive definitions, hyperoperations, set theory and infinite cardinals, partial order theory, category theory, quandles and conjugation.

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  • Member for 7 years, 11 months
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  • Last seen Feb 21 at 22:01

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17 Example $x$, $y$ and $z$ values for $x\uparrow^\alpha y=z$ where $\alpha\in \Bbb R-\Bbb N$ Apr 19 '15
13 Hao Wang's $\mathfrak S$ system/$\Sigma$ system: a “transfinite type” theory that avoids the Goedel's theorems. May 12 '13
12 Practical Tips: Mathematical research and discoveries [closed] May 9 '13
11 Solution of $ax=a^x$ Apr 9 '13
9 Philosophy of a Mathematician. May 8 '13
8 What are $\Sigma _n^i$, $\Pi _n^i$ and $\Delta _n^i$? Mar 31 '13
8 Why infinite cardinalities are not “dense”? Apr 27 '13
7 Allegories in easy words? Apr 20 '13
7 General overview about Recursion (free online texts) Jan 23 '14
6 Conjugation Quandles and… “Quandle-Groups”? From quandles to Groups. Apr 7 '14
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