Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

José A. Alonso @Jose_A_Alonso@mathstodon.xyz

11/19/2025, 10:32:50 AM

Public

Pre*: The predecessors of a regular language w.r.t. a context-free grammar, with applications (in Isabelle/HOL). ~ Tassilo Lemke, Tobias Nipkow. https://www.isa-afp.org/entries/Pre_Star_CFG.html #ITP #IsabelleHOL

Pre*: The Predecessors of a Regular Language w.r.t. a Context-Free Grammar, with Applications

Pre*: The Predecessors of a Regular Language w.r.t. a Context-Free Grammar, with Applications in the Archive of Formal Proofs

isa-afp.org

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