
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 …
arithmetic - What are the formal names of operands and results …
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 …
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 …
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 …
Set Addition vs. Set Union - Mathematics Stack Exchange
Feb 1, 2014 · Set Addition vs. Set Union Ask Question Asked 11 years, 10 months ago Modified 6 years, 5 months ago
Prove the commutativity property of addition of natural numbers …
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
notation - What is the reason behind the current Order of …
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, …
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 …
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 …
Proving the definition of addition - Mathematics Stack Exchange
Working with this definition we see that $$ 1+1=1' $$ showing that the first property of addition is fulfilled. Now, by the same definition we have that $1+y=y'$ which by axiom 2 and 4 is …