Jsou Insolubilia pulchra (Modus solvendi insolubilia secundum Magistrum Johannem Wyclif) autentickým dílem Stanislava ze Znojma († 1414)?
Insolubilia pulchra (Modus solvendi insolubilia secundum Magistrum Johannem Wyclif) a Genuine Work of Stanislaus of Znojmo (d. 1414)?

Summary/Abstract: MS Prague, National Library of the Czech Republic, IV H 9, ff. 259v–262v contains an anonymous short treatise Insolubilia pulchra (Modus solvendi insolubila secundum Magistrum Johannem Wyclif). In 1915 Jan Sedlák attributed this tract to the Czech Realist Stanislav of Znojmo (d. 1414), nonetheless, his attribution was not fully accepted in the historiography. The first part of the study provides a content analysis of the preserved treatise in the manuscript. Insolubilia pulchra closely follows John Wyclif’s Logicae continuatio and the basis of his doctrine on being, propositional realism as well as his attitudes on how to eliminate logic and semantic paradoxes (e.g. so-called ‘Liar-paradox’ or paradox of self-reference with the proposition ‘This is false’). The second part of the study presents the palaeographical and context analysis of the MS Prague, National Library of the Czech Republic, IV H 9. Further also introduces other two preserved sources of the tract. One copy, extent in MS Worcester, Cathedral Chapter, F 118, ff. 150v–151r. Here is the treatise entitled Insolubilia and attributed to the Oxford Realist Robert Alyngton (d. 1418). Another copy was discovered in MS Prague, Prague Castle Archive (former Metropolitan Chapter by St. Vitus), N 19 (1543), ff. 110vb–114rb among the logical treatises of John Wyclif. The tract preserved in MS Prague, National Library of the Czech Republic, IV H 9, ff. 259v–262v is not a genuine work of Stanislav of Znojmo, nevertheless, a treatise Insolubilia which was compiled by Robert Alyngton.

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