top | item 32112549 (no title) defined | 3 years ago Did you mean m×n=n×m? discuss order hn newest HWR_14|3 years ago Both are axioms. a = a (and by extension mxn = mxn) is another axiom. goldenkey|3 years ago Don't forget ©=© qubex|3 years ago Yes. Oops.
HWR_14|3 years ago Both are axioms. a = a (and by extension mxn = mxn) is another axiom. goldenkey|3 years ago Don't forget ©=©
HWR_14|3 years ago
goldenkey|3 years ago
qubex|3 years ago