When an unperceived fact is supposed in order to resolve an apparent contradiction in the presented phenomenon, which one of the following pramaṇas is employed according to Advaitins?

Advaitins is a Hindu sādhanā or spiritual discipline and experience based on textual exegesis.

Key Points

• In both the Pura- Mimamsa and the Uttara Mimamsa (the Advita Vedanat), the concept of arthapatti has been used as a criterion of knowledge. 
• Arthapatti is a Sanskrit word that means implication or presumption.
• The process of gaining information from a collection of conditions. 
• It's similar to the concept of circumstantial inference in modern reasoning. 
• Getting at the information usually necessitates observation of facts and postulation based on such facts.
• For example, observing someone’s weight and eating patterns, and postulating about their dietary habits.

Therefore, Arthapaatti pramanas is an unperceived fact is supposed in order to resolve an apparent contradiction in the presented phenomenon.

Additional Information

• Pramana is a valid means of knowledge. Knowledge can be Valid or Non-Valid, Valid Knowledge is called prama and Non-Valid Knowledge is known as aprama. 
•  Six pramanas of Indian logic: