# Tau versus Pi in a locked-cage deathmatch!

## TalkMathematics

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Tau versus Pi in a locked-cage deathmatch!

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### 1CarnophileJul 14, 2011, 6:59pm

...and the winner kills and eats the loser!

Tau attacks!

Pi counterattacks!

### 2AnnieModJul 14, 2011, 7:32pm

Someone need to come up with a theorem that noone can prove to get all these Maths guys into something creative. Or next thing we hear, someone will start explaining how the Euler's number need to be replaced. Or something along these lines.

PS: I had been following on the whole Tau thing...

### 3CarnophileEdited: May 29, 2012, 9:45pm

Someone need to come up with a theorem that no one can prove

How about a proposition that asserts its own unprovability within a certain formal system?

### 4richardbsmithMay 30, 2012, 8:31am

2 Pi or not 2 Pi.

It always seemed odd to me that we used the diameter for pi, and then cut in in half. Why didn't we just start with the half diameter?

### 5ringmanMay 30, 2012, 9:31am

Tau is very 2 dimensional. Those of us who live in three consider 4*Pi to be the optimum constant.