Dutch and Hieronymus Bosch (c. 1450 1516), whom the Spanish call El Bosco, has three masterpieces in the Prado, including a large triptych called The Garden of Earthly Delights.
None of Bosch's masterpieces in the Prado are triptychs.
mnli hypothesis: None of Bosch's masterpieces in the Prado are triptychs. premise: Dutch and Hieronymus Bosch (c. 1450 1516), whom the Spanish call El Bosco, has three masterpieces in the Prado, including a large triptych called The Garden of Earthly Delights.