חדש באתר: עוזר בינה מלאכותית המבוסס על כתביו ושיעוריו של הרב מיכאל אברהם

Q&A: What Does Infinity Minus Infinity Equal?

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Originally published:
This is an English translation (via GPT-5.4). Read the original Hebrew version.

What Does Infinity Minus Infinity Equal?

Question

There was a whole Twitter storm about this. Personally, I’m in the camp that says it equals zero. What do you think?

Answer

Leave the Twitter storms aside. As the author of Sefer HaChinukh wrote, even if there are masses of ignoramuses as numerous as those who left Egypt, they do not outweigh a small group of sages. The question as you presented it is not well-defined, so there’s no point fighting and getting worked up over it. If you have a more precise definition of the question, we can discuss it.
For example, you can ask what the limit of the expression X – X is when X goes to infinity. And you can also ask what the limit of 2X – X is when X goes to infinity. Both of these questions fit your wording, but the answers to them are different.

Discussion on Answer

Shmuel (2025-04-02)

Even GPT answers: the answer is that it’s undefined

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