Variations of Rado's lemma

✍ Scribed by Paul Howard

• Publisher: John Wiley and Sons
• Year: 1993
• Tongue: English
• Weight: 233 KB
• Volume: 39
• Category: Article
• ISSN: 0044-3050
• DOI: 10.1002/malq.19930390139

✦ Synopsis

Abstract

The deductive strengths of three variations of Rado's selection lemma are studied in set theory without the axiom of choice. Two are shown to be equivalent to Rado's lemma and the third to the Boolean prime ideal theorem. MSC: 03E25, 04A25, 06E05.