Form equivalence class Howard-Rubin Number: 1

Statement:

Let \(S\) be any family of disjoint non-empty sets andlet \(\tau = (\bigcup S)\), then any homomorphism from \(\frak P(\tau;\bigcup S)\)into \(\frak P(\tau;S)\) maps \(\frak P(\tau;\bigcup S)\) onto a subalgebra of \(\frak P(\tau;S)\).

Howard-Rubin number: 1 AR

Citations (articles): Diener [1989] Two new algebraic equivalents to the axiom of choice

Connections (notes): Note [115] Definitions from Diener [1989]

References (books):

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