Abstract
Clearly \(Irr(A)\leq\mid A\mid\). If A is a subalgebra of B, then \(Irr(A)\leq Irr(B)\), and Irr can change to any extent from B to A (along with cardinality). The same is true for A a homomorphic image of B.
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© 2014 Springer Basel
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Monk, J.D. (2014). Irredundance. In: Cardinal Invariants on Boolean Algebras. Progress in Mathematics, vol 142. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-0730-2_9
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DOI: https://doi.org/10.1007/978-3-0348-0730-2_9
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Publisher Name: Birkhäuser, Basel
Print ISBN: 978-3-0348-0729-6
Online ISBN: 978-3-0348-0730-2
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