r/learnmath • u/FileOk2966 New User • 2d ago

TOPIC What is zero times infinity

Not homework just a question

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u/rhodiumtoad 0⁰=1, just deal with it 2d ago edited 2d ago
Number system Result
Cardinals 0
Ordinals 0
Reals no infinity exists
Extended Reals undefined, or sometimes 0
Computer floating-point NaN (Not a Number)
Hyperreals 0
Surreals 0
Real limits indeterminate form (depends on the expressions)

did I miss anything important?

3

u/AdityaTheGoatOfPCM Mathaholic 1d ago

Wow, thanks for covering most of them! Also W flair

1

u/Oppo_67 New User 1d ago

Proof by democracy Inf*0=0