Locke
John Locke claimed that the principles of identity and contradiction were general ideas and only occurred to people after considerable abstract, philosophical thought. He characterized the principle of identity as "Whatsoever is, is." The principle of contradiction was stated as "It is impossible for the same thing to be and not to be." To Locke, these were not innate or a priori principles.
Read more about this topic: Law Of Thought
Famous quotes containing the word locke:
“The end of law is not to abolish or restrain, but to preserve and enlarge freedom. For in all the states of created beings capable of laws, where there is no law, there is no freedom.”
—John Locke (1632–1704)
“Whenever the society is dissolved, it is certain the government of that society cannot remain ... that being as impossible, as for the frame of a house to subsist when the materials of it are scattered and dissipated by a whirlwind, or jumbled into a confused heap by an earthquake.”
—John Locke (1632–1704)
“He that will consider the infinite power, wisdom, and goodness of the Creator of all things, will find reason to think it was not all laid out upon so inconsiderable, mean, and impotent a creature as he will find man to be; who, in all probability, is one of the lowest of all intellectual beings.”
—John Locke (1632–1704)