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Description:

If \(\Gamma\) and \(\Delta\) are Dedekind finite cardinals the following are equivalent:

1. lub\(\{\Gamma,\Delta\}\) exists,
2. \(\Gamma\) and \(\Delta\) are comparable and
3. glb \(\{\Gamma ,\Delta \}\) exists.

Content:

J. L.Hickman [1979b] shows that if \(\Gamma\) and \(\Delta\) are Dedekind finite cardinals then the following are equivalent:

1. lub\(\{\Gamma,\Delta\}\) exists,
2. \(\Gamma\) and \(\Delta\) are comparable and
3. glb \(\{\Gamma ,\Delta \}\) exists.

Howard-Rubin number: 58

Type: Equivalents

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