Jan Łukasiewicz

• Elements of mathematical logic
• Selected works (of) Jan Lukasiewicz
• Aristotle's Syllogistic
• Aristotle's syllogistic from the standpoint of modern formal logic
• Du principe de contradiction chez Aristote
• Über den Satz des Widerspruchs bei Aristoteles
• Aristotle's syllogistic
• Aristotle's Syllogistic From the Standpoint of Modern Formal Logic
• Aristotle's syllogistic from the standpoint of modern formal logic
• Aristotle's syllogistic from the standpoint of modern formal logic
• Aristotle's Syllogistic from the Standpoint of Modern Formal Logic (Greek & Roman philosophy)
• Aristotle's syllogistic from the standpoint of modern formal logic from the standpoint of modern formal logic