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Statement 1:
In logic, it is widely accepted that any proposition is either true or false. This principle is called excluded middle.
Statement 2:
In logic, it is widely accepted that some self-referential propositions, such as
How those two mutually contradictory statements are reconciled? Is the excluded-middle principle considered generally valid or not?
In logic, it is widely accepted that any proposition is either true or false. This principle is called excluded middle.
Statement 2:
In logic, it is widely accepted that some self-referential propositions, such as
This sentence is false.
are neither true nor false.How those two mutually contradictory statements are reconciled? Is the excluded-middle principle considered generally valid or not?