1.7 Binary Relations

• <Total Injection
• 1.7.1Relations: Video
• 1.7.2Range of a Relation
• 1.7.3Relational Mappings: Video
• 1.7.4Total Injection
• 1.7.5Finite Cardinality: Video
• 1.7.6A inj B
• 1.7.7Total Relations
• 1.7.8Surjective Relations
• 1.7.9Inverse Relations
• 1.7.10In- ,Sur-, and Bijections
• 1.7.11Mapping Lemma: Sizes of Domains and Codomains
• >A inj B

Finite Cardinality

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• ContinueA inj B