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Theorems · Theorem · general topology

Filter.eq_or_neBot

∀ {α : Type u} (f : Filter α), f = ⊥ ∨ f.NeBot

Either f = ⊥ or Filter.NeBot f. This is a version of eq_or_ne that uses Filter.NeBot as the second alternative, to be used as an instance.

Defined in
Mathlib.Order.Filter.Basic
Cited by
62 results in Mathlib
Foundations
Depth 16 from the axioms · uses propext, Classical.choice, Quot.sound

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Cited by62

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