term_<m_ — Mathlib

English

If N ≤m M, there exist C,D ⊆ E(M) disjoint with N = M contract C delete D.

Русский

Если N ≤m M, найдутся подмножества C, D ⊆ E(M), Disjoint(C,D) и N = M contract C delete D.

LaTeX

$$$ \exists C,D \subseteq M.E, Disjoint(C,D) \land N = M / C \\ D $$$

Lean4

/-- `<m` denotes the strict minor relation on matroids. -/
@[term_parser 1000]
public meta def «term_<m_» : Lean.TrailingParserDescr✝ :=
  ParserDescr.trailingNode✝ `Matroid.«term_<m_» 50 50
    (ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ " <m ") (ParserDescr.cat✝ `term 51))

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