How can I prove that an invented operation works with negative numbers?
133480
new addition and new multiplication x ⊕ y = x + y − 1, x ⊗ y = x + y − xy on set Z, prove the set Z equipped with these 2 new operation
79895
The modulo operation on negative numbers in Python
145466
Is this a valid mathematical proof?
113950
Formula for reversing digits of positive integer $n$
2251
Can someone give me a hint on how to prove this?
5347
Using the definition of a vector space to prove that $0x = 0$ and $(-1)x = -x$
127211
How does Java calculate negative numbers?
148260
Polylogarithms of negative integer order
110826
prove that : $ i = \sqrt {-1}\ $
17928
How to prove the following expression does not depend on x?
25959
How do you compute negative numbers to fractional powers?
64896
Dealing with non-integral powers on negative numbers
118778
What's the inverse operation of exponents?
73688
Can I use Gödel numbers to make a proof?
111266
Function that returns $0$ for all negative values
28854
Modulus with a negative number
59872
How to prove $\inf(S)=-\sup(-S)$?