I wrote a brief post about redefinitions in Mizar.

Redefinitions occur when we specialize the parameters of a definition, and it simplifies the "right-hand side" of the definition to something far simpler (or more useful).

Redefinitions also allow us to tack on properties like "commutative" or "idempotent" to definitions, so Mizar can automatically use them when reasoning about the terms.

#Mizar #ProofAssistant #definition #redefinition #mathematics

https://thmprover.wordpress.com/2025/06/24/redefinitions-in-mizar/

Redefinitions in Mizar

Mizar allows you to redefine a term, which has a precise technical meaning for the Mizar language. But before I get into that, we should distinguish “redefining a term” with “shad…

Ariadne's Thread

#Palestine and the fight for the soul of #AntiRacism.

How the #redefinition of #racism is a cardinal #threat to all racially subordinated and #dehumanized groups the world over.

https://canadiandimension.com/articles/view/palestine-and-the-fight-for-the-soul-of-anti-racism

Palestine and the fight for the soul of anti-racism

How does activism and policy that opposes systemic racism get redefined as its exact opposite—namely antisemitism or anti-Jewish racism? How does the language of anti-racism get deployed in defense of the actions of an apartheid ethnostate? Vincent Wong on how the redefinition of racism is a cardinal threat to all racially subordinated and dehumanized groups the world over.

La Canaille - Redéfinition

YouTube

#EHRC: #Equalities #watchdog #ignored #transrights #concerns over ‘#biological #sex#advice from Gender Criticals.

#HelenBelcher, #chair of #TransActual, said the #EHRC letter seemed to be indicate the watchdog is “keen to assist in the #redefinition” of the word “#woman” (to exclude trans people)

“Trans people no longer seem to be people in their eyes. Our pains and struggles are seemingly irrelevant.”

https://www.thepinknews.com/2023/04/26/ehrc-kemi-badenoch-uk-government/

EHRC: Equalities watchdog ignored trans rights concerns over ‘biological sex’ advice

The Equality and Human Rights Commission (EHRC) published its letter proposing changes to the definition of ‘sex’ despite internal concerns.

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