What is propped simply supported beam?

A cantilever beam is a beam which is fixed at one end ( no translation or rotation).

A propped cantilever beam is a beam which is fixed at one end ( no translation or rotation) and simply supported ( no translation) at the other end.

A cantilever beam is a beam which is fixed at one end ( no translation or rotation).

A simply supported beam is a beam which is simply supported at both ends.

A propped simply supported beam is a beam which is simply supported at both ends and simply supported at some other point such as at the center, to reduce deflection under load.

Propped beams are statically indeterminate.