Defines an extended binder syntax supporting ∀ ε > 0, ... etc.

def Batteries.ExtendedBinder.extBinder : Lean.ParserDescr

An extended binder has the form x, x : ty, or x pred where pred is a binderPred like < 2.

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def Batteries.ExtendedBinder.extBinderParenthesized : Lean.ParserDescr

A extended binder in parentheses

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def Batteries.ExtendedBinder.extBinderCollection : Lean.ParserDescr

A list of parenthesized binders

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def Batteries.ExtendedBinder.extBinders : Lean.ParserDescr

A single (unparenthesized) binder, or a list of parenthesized binders

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def Batteries.ExtendedBinder.«term∃ᵉ_,_» : Lean.ParserDescr

The syntax ∃ᵉ (x < 2) (y < 3), p x y is shorthand for ∃ x < 2, ∃ y < 3, p x y.

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def Batteries.ExtendedBinder.«term∀ᵉ_,_» : Lean.ParserDescr

The syntax ∀ᵉ (x < 2) (y < 3), p x y is shorthand for ∀ x < 2, ∀ y < 3, p x y.

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