📚 Recommended Mathematics Books
Topology (Munkres) | General Topology (Engelking) | Counterexamples in Topology | Rudin's AnalysisAs an Amazon associate, I earn from qualifying purchases.
I’ve proved some new theorems. The proofs are currently available in this PDF file.
Theorem The set of funcoids is with separable core.
Theorem The set of funcoids is with co-separable core.
Theorem A funcoid $latex f$ is complete iff
$latex f = \bigsqcap^{\mathsf{FCD}} \left\{ \bigcup_{x \in \mathrm{Src}\, f}
(\{ x \} \times \langle T \rangle^{\ast} \{ x \}) \, |
\, T \in (\mathscr{P} \mathrm{Dst}\, f)^{\mathrm{Src}\, f}, \forall x \in
A : \langle T \rangle^{\ast} \{ x \} \in G (x) \right\} $.
Theorem A reloid $latex f$ is complete iff
$latex f = \bigsqcap^{\mathsf{RLD}} \left\{ \bigcup_{x \in \mathrm{Src}\, f}
(\{ x \} \times \langle T \rangle^{\ast} \{ x \}) \, |
\, T \in (\mathscr{P} \mathrm{Dst}\, f)^{\mathrm{Src}\, f}, \forall x \in
A : \langle T \rangle^{\ast} \{ x \} \in G (x) \right\} $.
It seems (I have not yet checked) that the following conjecture follows from the last theorem:
Conjecture Composition of complete reloids is complete.
🔬 Advanced Mathematics References
- Sheaves in Geometry and Logic
- Categories for the Working Mathematician
- Stone Spaces
- Algebraic Topology (Hatcher)
- Concrete Mathematics
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