| It is not my fault if you "gave" contradictory assertions, I had to
| choose some of them and then show how it implies the contrary of
| the other. If you really insist that z=-5 then z is not sqrt(x^2+y^2)
| anymore.
|
| Phytagoras cannot have said "x=-3, y=-4, z=-5 and z=sqrt(x^2+y^2)",
| first because Greeks did not handle negative numbers, neither does
| modern mathematics anyway for distances, positive *by definition*
| Pythagoras said "5^2=4^2+3^2 is true since any triangle with sides
| 3,4 and 5 is rectangle", quite a different assertion than yours.

"distances, positive *by definition*" - YBM.
"any triangle with sides 3,4 and 5 is rectangle" - YBM.
How about it, Dinky?
Fumble material?

Androcles