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The Erdős–Rado notation $a \rightarrow (b)^c_d$ is common in partition calculus / combinatorial set theory, as well as its negation $a \not\rightarrow (b)^c_d$. In that field, is there a standard way to read them out loud?

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    $\begingroup$ I'd read them as "ay arrows bee see dee", but let's wait for someone who actually gave a talk about this recently. $\endgroup$
    – Asaf Karagila ♦
    Commented Jun 29, 2021 at 16:45

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Community wiki because it is answered over at MSE.

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