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Philosophy of Religion
The Ontological Argument
Alvin Plantinga
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Alvin Plantinga was a
20th century American Philosopher
Plantinga supports the
ontological
argument.
Plantinga
uses a form of
modal logic
, which uses the idea of
possible worlds
to assess the
validity
of certain
statements.
Alvin Plantinga’s Premises
There
is a
possible world with
a
being
with
maximal greatness
(
exists
in all
worlds
)
In
any possible world this being has maximal excellence.
Our world
is a
possible
world
and therefore this being exists
in
this
world. This
means
God exists.