Are Measure for Measure and Mathis der Maler both fictional?
Mathis der Maler (opera) Mathis der Maler ("Matthias the Painter") is an opera by Paul Hindemith. The opera's genesis lay in Hindemith's interest in the Reformation. The work's protagonist, Matthias Grünewald, was an actual historical figure who flourished in that era, and whose art, in particular the Isenheim Altarpiece, inspired many creative figures in the early 20th century, including Joris-Karl Huysmans's novel "Là-bas".
Matheme The matheme (from Greek: μάθημα "lesson") is a concept introduced in the work of the 20th century French psychoanalyst Jacques Lacan. The term matheme 'occurred for the first time in the lecture Lacan delivered on November 4, 1971...Between 1972 and 1973 he gave several definitions of it, passing from the use of the singular to the use of the plural and back again'.