Does a mathematical operation 'op' exist so that there is a unique result for every expression? so:
a op b ≠ b op a
a op b ≠ c op a
a op b ≠ c op d
a op b = a op b
Thanks in advance.
Does a mathematical operation 'op' exist so that there is a unique result for every expression? so:
a op b ≠ b op a
a op b ≠ c op a
a op b ≠ c op d
a op b = a op b
Thanks in advance.