Category: abstract algebra

Let’s suppose we’re Babylonians, so all we hav…

Let’s suppose we’re Babylonians, so all we have arethe rational numbers and commutative rings.

I’m a math teacher, please stop trying to enga…

I’m a math teacher, please stop trying to engage me in small talk.

Memorizing proofs is a bad idea.  Examples of …

Memorizing proofs is a bad idea.  Examples of this include death.

Conversation

Student: Why is it called a ring?
Abstract Algebra Professor: Because there are two operations which are getting married.

“Say what you mean. Mean what you say. Aim to make your proof impossible to be misunderstood, rather…”

“Say what you mean. Mean what you say. Aim to make your proof impossible to be misunderstood, rather than merely possible to understand.”

Abstract algebra professor.

“Either I’m missing something obvious or this proof doesn’t work.”

“Either I’m missing something obvious or this proof doesn’t work.”

Abstract algebra professor 

“It’s almost a natural disaster when it comes to the notation of generating ideals of rings.”

“It’s almost a natural disaster when it comes to the notation of generating ideals of rings.”

Algebra professor, when explaining the use of parentheses in ideal generation.

“Just because it’s a 64-entry group table doesn’t mean you get to complain.”

“Just because it’s a 64-entry group table doesn’t mean you get to complain.”

Abstract algebra professor