Item:Q13427: Difference between revisions

Created a new Item: law of noncontradiction, theorem
 
 
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Property / instance of
 
Property / instance of: theorem / rank
 
Normal rank
Property / instance of
 
Property / instance of: philosophical concept / rank
 
Normal rank
Property / has effect
 
Property / has effect: reductio ad absurdum / rank
 
Normal rank