triplethink en · NOUN
Etymology
From triple + think, modeled after doublethink.
Meanings
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(uncountable) The holding of three contradictory beliefs in one's mind at the same time while believing all three to be true.
The proposal is that Einstein’s Relativity is Orwellian doublethink that has now progressed to triplethink; this is a result of Einstein’s Relativity being a poorly defined theory by the mainstream.
2009 September 16, Roger J. Anderton, “On Advanced triplethink in Einsteiniana”, in The General Science Journal: