Lean4
/-- `ℓ²(ι, 𝕜)` is the Hilbert space of square-summable functions `ι → 𝕜`, herein implemented
as `lp (fun i : ι => 𝕜) 2`. -/
@[term_parser 1000]
public meta def «termℓ²(_,_)» : Lean.ParserDescr✝ :=
ParserDescr.node✝ `«termℓ²(_,_)» 1024
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen
(ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ "ℓ²(") (ParserDescr.cat✝ `term 0))
(ParserDescr.symbol✝ ", "))
(ParserDescr.cat✝ `term 0))
(ParserDescr.symbol✝ ")"))