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    Andrew Helwer (ahelwer@discuss.systems)'s status on Friday, 01-May-2026 18:51:43 JSTAndrew HelwerAndrew Helwer
    in reply to
    • Niki Tonsky

    @nikitonsky we looked at adding this to TLA+ recently for set cardinality, but the already-existing | and || infix operators made for some really horrifying parse ambiguities https://github.com/tlaplus/rfcs/issues/9

    In conversationabout 2 months ago from discuss.systemspermalink

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    1. Domain not in remote thumbnail source whitelist: opengraph.githubassets.com
      Support `|S|` as alternative to `Cardinality(S)` · Issue #9 · tlaplus/rfcs
      I and others occasionally wish to write the more concise |S| instead of Cardinality(S). Perhaps, this is a feature that can be piggybacked on the Unicode-related changes, although |S| will be a bre...
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