Examlex
Under the U.S.patent system, a patent application must provide evidence that the invention works and that is based on another invention.
Fact
Something that has been directly observed to be true and thus has been proven to be true.
Inference
Conclusion based on speculation.
Other Cultures
Refers to the customs, beliefs, arts, institutions, and all other products of human work and thought created by people not belonging to one's own culture.
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