Real Number Line is not Topological Continuum
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Theorem
The real number line is not a continuum in the topological sense.
Proof
Recall the definition of continuum:
- A topological space $T$ is a continuum if and only if $T$ is both compact and connected.
However, we have the result Real Number Line is not Compact.
Hence the result.
$\blacksquare$
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): continuum: 2. (plural continua)
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): continuum: 2. (plural continua)