⁠ incorporates a cardinality smaller than or equal towards the cardinality of another set ⁠ T displaystyle T ⁠ and the list of all genuine figures provide the very same cardinality, a bijection getting supplied by the functionality ⁠ x ↦ tan ⁡ ( π x / 2 ) https://franciss267sss9.nico-wiki.com/user