1st way
motion
observe motion- actualisation of potential to be in motion
thing mustve been moved by a mover (cannot move itself)
mover must be in state of actuality
cannot be infinite regress
must be first mover
=GOD
2nd way
efficient causation observed
cant cause itself
first cause
no infinite regress
uncaused causer
=GOD
hume’s objection
arg assumes universe has to have a cause
does not
causal principle not true by definition
3rd way
observe contingent beings
no infinite regress
must be finite
must be a necessary being
fallacy of composition
fallacy to assume what is true of a thing’s parts must also be true of the whole
assumes whole (universe) is like the parts