I think so. In x+iy, x and y are real numbers and have to be <0,0 or >0.
Divide
axioms are statements which cannot be proved.but these statements are accepted universally.we know that any line can be drawn joining any two points.this does not have a proof
An axiom is a self-evident truth that is not proven, only accepted, such as that for any two real numbers a and b, either a > b, a = b, or a < b.
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