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Theorems · Definition · logic and foundations

Hyperreal.Infinite

Deprecated since 2026-01-05Use ArchimedeanClass.mk instead.

ℝ* → Prop

A hyperreal number is infinite if it is infinite positive or infinite negative. Do not use. Write ArchimedeanClass.mk x < 0 instead.

Defined in
Mathlib.Analysis.Real.Hyperreal
Cited by
45 results in Mathlib
Foundations
Depth 113 from the axioms · uses propext, Classical.choice, Quot.sound

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Cited by45

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