He says that the plea 20th century philosophers made to intuition show a flaw in philosophical reasoning.

On at least two occasions, Leibniz illustrated his philosophical reasoning with diagrams.

These are those, usually Greeks, who owe a lot of their philosophical reasoning and method to Socrates.

Those early ideas were founded through abstract, philosophical reasoning rather than experimentation and empirical observation.

Psychology, a major contributing field to cognitive neuroscience, emerged from philosophical reasoning about the mind.

Kreeft has received several honors for achievements in philosophical reasoning.

However, these different systems, after a series of philosophical reasoning and interpretation, arrive at a same philosophical truth.

First published in 2001, the work offers popular treatments of philosophical reasoning, weaving together ideas from various writers and traditions.

Humans are compelled to pursue the good, but no one can hope to do this successfully without philosophical reasoning.

The book has been described as an attempt to "reconcile the empirical basis of linguistic science with the a priori nature of philosophical reasoning."