the point of communication between two neurons-includes axon terminal of the sending neuron, the synaptic space (gap), and dendrites/cell body of the receiving neuron
There are two approaches to cardinality â one which compares sets directly using bijections and injections, and another which uses cardinal numbers. The cardinality of a set is also called its size, when no confusion with other notions of size is possible.
Cardinality of a set S, denoted by |S|, is the number of elements of the set. If a set has an infinite number of elements, its cardinality is â. |X| = |Y| represents two sets X and Y that have the same cardinality, if there exists a bijective function âfâ from X to Y.