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Homeomorphism
Set
context | $\langle X,\mathcal{T}_X\rangle, \langle Y,\mathcal{T}_Y\rangle$ … topological spaces |
definiendum | $f\in$ it |
postulate | $f$ … invertible and continuous |
postulate | $f,f^{-1}$ … continuous |
Discussion
Reference
Wikipedia: Homeomorphism