
arithmetic - What are the formal names of operands and results for ...
My questions: I've heard addend used generally for addition operands. Is that correct formal usage? Do subtraction and division lack general names for their operands because they are not commutative? …
logic - How is addition defined? - Mathematics Stack Exchange
I've been reading On Numbers and Games and I noticed that Conway defines addition in his number system in terms of addition. Similarly in the analysis and logic books that I've read (I'm sure that this …
Factorial, but with addition - Mathematics Stack Exchange
Apr 21, 2015 · Closed 12 years ago. Is there a notation for addition form of factorial? $$5! = 5\times4\times3\times2\times1$$ That's pretty obvious. But I'm wondering what I'd need to use to …
discrete mathematics - Understanding Addition inference Rule ...
Aug 16, 2019 · The addition of the second alternative does not invalidate our previous knowledge of A, it merely weakens it. So what is the point of doing this? While the addition of the second disjunct in the …
Set Addition vs. Set Union - Mathematics Stack Exchange
Feb 1, 2014 · Set Addition vs. Set Union Ask Question Asked 11 years, 11 months ago Modified 6 years, 6 months ago
abstract algebra - How is addition different than multiplication ...
The fact that multiplication distributes over addition admits $0\cdot a = 0 \;\forall a$ where $0$ is the additive identity. There is no such analog for addition. This is one property that falls out of imposing …
Prove the commutativity property of addition of natural numbers by ...
May 8, 2014 · Prove the commutativity property of addition of natural numbers by induction Ask Question Asked 11 years, 7 months ago Modified 10 years, 1 month ago
How do we define addition? - Mathematics Stack Exchange
Jul 5, 2024 · How can you define addition using the $+$ symbol, isn't that against the purpose of a definition? Whilst doing further research I managed to find the following article: How is addition …
notation - What is the reason behind the current Order of Operations ...
Aug 6, 2015 · 20 Let's pretend multiplication came after addition. Try writing this without parentheses: $$ (a\times b)+c$$ You'll find this very hard. With the current order of operations, we can almost always …
matrices - Matrix addition/multiplication with different sizes ...
Dec 19, 2020 · Multiple sources tell me that I can't do multiplication or addition with matrix of different sizes. You can't add matrixes of different sizes as stated by @meshal.