Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »
Q&A

General Q&A about all branches of theoretical and applied mathematics, including closely-adjacent sciences where the central question is about the math.

Filters (None)
66%
+2 −0
66%
+2 −0
The purpose of logical frameworks in specifying type theories

1 answer  ·  posted 1y ago by user205‭  ·  last activity 12mo ago by Derek Elkins‭

66%
+2 −0
On Tarski-style universes in type theory

1 answer  ·  posted 1y ago by user205‭  ·  last activity 12mo ago by Derek Elkins‭

66%
+2 −0
66%
+2 −0
matrix inverse of $I + A$ where $A$ is skew-symmetric

1 answer  ·  posted 1mo ago by Trevor‭  ·  last activity 1mo ago by Trevor‭

66%
+2 −0
66%
+2 −0
Why aren't $z_1=f(xy)$ and $z_2=f(x/y)$ functions of 2 variables?

1 answer  ·  posted 3y ago by TextKit‭  ·  last activity 3y ago by celtschk‭

66%
+2 −0
How can I deduce which operation removes redundacies?

3 answers  ·  posted 3y ago by DNB‭  ·  edited 2y ago by DNB‭

62%
+3 −1
Why are you permitted to define $1 − 1 + 1 − 1 + . . .$?

1 answer  ·  posted 3y ago by Chgg Clou‭  ·  last activity 2y ago by JRN‭

60%
+1 −0
proving relative lengths on a secant

1 answer  ·  posted 3y ago by msh210‭  ·  last activity 3y ago by Peter Taylor‭

60%
+1 −0
60%
+1 −0
60%
+1 −0
What it ≡ called?

1 answer  ·  posted 2y ago by Anonymous‭  ·  last activity 2y ago by Quintec‭

60%
+1 −0
What does upper indices represent?

2 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by r~~‭

60%
+1 −0
60%
+1 −0
How's it possible to arrange 0 objects? How can 0! = 1?

3 answers  ·  posted 2y ago by DNB‭  ·  edited 2y ago by Quintec‭

60%
+1 −0
60%
+1 −0
Dividing a cuboid in four

1 answer  ·  posted 1y ago by Yair Rand‭  ·  last activity 1y ago by Peter Taylor‭

60%
+1 −0
How $ijk=\sqrt{1}$?

2 answers  ·  posted 2y ago by deleted user  ·  last activity 2y ago by Tim Pederick‭

60%
+1 −0
60%
+1 −0
Using convexity in the proof of Hölder’s inequality

1 answer  ·  posted 2mo ago by Snoopy‭  ·  last activity 2mo ago by Snoopy‭

60%
+1 −0
60%
+1 −0
The meaning of $\pm$

2 answers  ·  posted 1y ago by tommi‭  ·  last activity 1y ago by Derek Elkins‭

60%
+1 −0
60%
+1 −0
Considering the "type" $\Pi x:A.\Pi y:B(x).Type$

1 answer  ·  posted 12mo ago by user205‭  ·  last activity 10mo ago by Dan Doel‭