principle of the excluded middle การใช้

• The principle of the excluded middle does lead to some strange situations.
• Symbiosism is defined by the Aristotelian logic, such as the principle of the excluded middle.
• However, modal logic is normally formalized with the principle of the excluded middle, and its relational semantics is bivalent, so this inclusion is disputable.
• Finitism rejects Constructivism and intuitionism are realistic about objects that can be explicitly constructed, but reject the use of the principle of the excluded middle to prove existence by reductio ad absurdum.
• Also in 1925, he published his work in intuitionistic logic  " On the principle of the excluded middle ", in which he proved that under a certain interpretation, all statements of classical formal logic can be formulated as those of intuitionistic logic.