📚 Recommended Mathematics Books

Topology (Munkres)  |  General Topology (Engelking)  |  Counterexamples in Topology  |  Rudin's Analysis

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I proved the following simple theorem:

1. $latex (\mathsf{FCD}) f$ is a monovalued funcoid if $latex f$ is a monovalued reloid.
2. $latex (\mathsf{FCD}) f$ is an injective funcoid if $latex f$ is an injective reloid.

See online article “Funcoids and Reloids” and this Web page.