Wikipedia's first sentence called it “mathematician and historian”. Today it says “soviet mathematician”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2025 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in 2025
Russian mathematician (1896-1966) In this name that follows East Slavic naming customs , the patronymic is Aleksandrovna and the family name is Yanovskaya . Sofya Yanovskaya Sofya Aleksandrovna Yanovskaya (also Janovskaja ; Russian : Софи́я Алекса́ндровна Яно́вская ; 31 January 1896 – 24 October 1966) was a Soviet mathematician , philosopher and historian , specializing in the history of mathematics , mathematical logic , and philosophy of mathematics . She is best known for her efforts in restoring the research of mathematical logic in the Soviet Union and publishing and editing the mathematical works of Karl Marx .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 1279198407.
The opening as it stood in 2010
Sofya Aleksandrovna Yanovskaya (also Janovskaja ; Russian: Софья Александровна Яновская ; 31 January 1896 – 24 October 1966) was a mathematician and historian , specializing in the history of mathematics , mathematical logic , and philosophy of mathematics . She is best known for her efforts of restoring mathematical logic research in the USSR and publishing and editing mathematical works of Karl Marx .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 368017388.
The opening as it stood in 2015
Sofya Aleksandrovna Yanovskaya (also Janovskaja ; Russian: Софья Александровна Яновская ; 31 January 1896 – 24 October 1966) was a mathematician and historian , specializing in the history of mathematics , mathematical logic , and philosophy of mathematics . She is best known for her efforts of restoring mathematical logic research in the Soviet Union and publishing and editing mathematical works of Karl Marx .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 660200426.
The opening as it stood in 2020
Russian mathematician Sofya Yanovskaya Sofya Aleksandrovna Yanovskaya (also Janovskaja ; Russian: Софи́я Алекса́ндровна Яно́вская ; 31 January 1896 – 24 October 1966) was a mathematician and historian , specializing in the history of mathematics , mathematical logic , and philosophy of mathematics . She is best known for her efforts in restoring the research of mathematical logic in the Soviet Union and publishing and editing the mathematical works of Karl Marx .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 937514677.
The opening as it stood on October 6, 2023
Russian mathematician (1896-1966) In this name that follows East Slavic naming customs , the patronymic is Aleksandrovna and the family name is Yanovskaya . Sofya Yanovskaya Sofya Aleksandrovna Yanovskaya (also Janovskaja ; Russian: Софи́я Алекса́ндровна Яно́вская ; 31 January 1896 – 24 October 1966) was a Soviet mathematician and historian , specializing in the history of mathematics , mathematical logic , and philosophy of mathematics . She is best known for her efforts in restoring the research of mathematical logic in the Soviet Union and publishing and editing the mathematical works of Karl Marx .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1173083321.
Today
Wikipedia's first sentence called it “mathematician and historian”. Today it says “soviet mathematician”. Read the current article and compare.
2010
2015
2020
Oct '23
2025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2010, and today's defining sentence is their current revision.
Then
mathematician and historian
Now
soviet mathematician
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.
