Some philosophers reject the naturalistic fallacy and/or suggest solutions for the proposed is-ought problem.

First, continental philosophers generally reject scientism, the view that the natural sciences are the best or most accurate way of understanding all phenomena.

Some philosophers reject the thesis that the concept or term truth refers to a real property of sentences or propositions.

While many assert mankind's duty on their own terms, some philosophers have absolutely rejected a sense of duty.

Later philosophers rejected many of the answers the early Greek philosophers provided, but continued to place importance on their questions.

Other philosophers, notably Wittgenstein, rejected the need for any undefined simples.

The philosophers of the Enlightenment did not reject the idea of God, however.

Many logicians and philosophers reject these motivations, on such grounds as:

Some philosophers reject the existence of individual objects.

Most subsequent philosophers reject Zeno's bold conclusion in favor of common sense.