Cosmological argument is a posteriori, inductive and synthetic
Aquinas-summa theologica. The first three ways out of five make up the cosmological argument.
Everything we observe is in the process of motion or change. Everything that is in motion is in the process of changing from a potential state to an actual state (example). The same thing cannot be its potentiality and actuality at the same time (example). Link to Aristotle. Everything that is in a state of motion must be put into this state by an external force. A chain of movers "cannot go on to infinity, because then there would be no first mover and consequently, no other mover" (Aquinas). CONCLUSION: "it is necessary to arrive at a first mover"- this…