For the real numbers x=0.9999999… and y=1.0000000… it is the case that $x^2
Answer
Since x=y (that is, y=0.¯9=∑∞n=1910n=1=x), it must be the case that x2=y2. Thus, your statement is false.
I have injection f:A→B and I want to get bijection. Can I just resting codomain to f(A)? I know that every function i...
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