Events have causes from previous events, which had causes from previous events, ad infinitum {infinite regress}|. To stop infinite regress, beginning cause must be different from later causes.
Perhaps, causes must have more energy, matter, motion, or purpose than effects. Perhaps, because things move, something unmoved by anything else must start motion. If everything must have a cause, infinite regression leads to a starting or original cause {Prime Mover} {First Cause, epistemology}. Prime Mover must be in physical world but have no cause. Prime Mover must have more energy than later causes and events. However, motion does not have to start with motion, only with force. More than one prime mover can be possible.
6-Philosophy-Epistemology-Causation
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Date Modified: 2022.0225