Item:Q13438: Difference between revisions
Created claim: defining formula (P333): K=\{ 0, 1, 2, 3, \ldots, n, \ldots \} \cup \{ \aleph_0, \aleph_1, \aleph_2, \ldots, \aleph_{\alpha}, \ldots \} |
Created claim: has part(s) of the class (P9): cardinal number (Q13437) |
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| Property / has part(s) of the class | |||
| Property / has part(s) of the class: cardinal number / rank | |||
Normal rank | |||