"When we run over libraries, persuaded of these principles, what havoc must we make? If we take in our hand any volume; of divinity or school metaphysics, for instance; let us ask, Does it contain any abstract reasoning concerning quantity or number?

a. No. Does it contain any experimental reasoning concerning matter of fact and existence?
b. No. Commit it then to the flames: for it can contain nothing but sophistry and illusion."

Agood deal of what that brain believes it is experiencing depends on its

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude

The following force measurements were taken during actual testing of the lever pictured. what is the ama of this lever?