Examlex
Of the three phases of matter-gas,liquid,and solid-solids are by far the simplest to understand.
Philosophers of Science
Thinkers who explore the foundations, methods, history, implications, and purposes of science, often questioning how scientific knowledge is gathered, validated, and applied.
External World
The reality existing outside of an individual's mind, including physical objects and events that can be perceived through the senses.
Necessary Truths
Propositions that are true under all possible circumstances; their negation results in a contradiction.
A Priori Truths
A Priori Truths are knowledge or propositions that are known independently of experience, based on reason alone.
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