"In action I find an art; and every art is a philosophical tool, whereby we may seek to win an atom deeper into mystery."
This style of analytic philosophy became very influential and led to the development of a wide range of philosophical tools.
Austin proposes some curious philosophical tools.
Mr. Geach said that Wittgenstein used the poker as a philosophical tool.
In fact the poetry of modern science has helped me to understand them in retrospect better than any other philosophical tool.
Another philosophical tool for discussion of abstraction is thought space.
This is related to a philosophical tool known as the intentional stance.
Introspection and intuition were staple philosophical tools at least since Descartes.
During the theological debates, some philosophical tools (concepts) were needed so that the debates could be held on common basis to all theological schools.
Philosophy of religion uses philosophical tools to evaluate religious claims and doctrines.