RT Journal Article SR Electronic A1 Otisk, Marek T1 Druhé analytiky a unum argumentum JF Aither YR 2014 VO 6 IS 1 SP 92 OP 99 DO 10.5507/aither.2014.009 UL https://aither.upol.cz/artkey/ath-201401-0009.php AB