Documentation

Linglib.Studies.Arad2005

Arad 2005: root-derived vs word-derived, and the locality of root #

interpretation [Ara05]

The √sgr family (her (5) in Ch. 7): one root, six listed formations across verbal and nominal patterns — sagar 'close', hisgir 'extradite', histager 'cocoon oneself', seger 'closure', sograyim 'parentheses', misgeret 'frame'. Multiple Contextualized Meaning is allosemy of the root across patterns (sgr_mcm); the √qlt nominal table (her (28) in Ch. 3) is the second witness (qlt_mcm).

The lexeme grain and the root grain are related by arrows, not identity: no strict hom merges any two of the lexemes into any target — their contextwise interpretations clash (no_strict_merger) — but the six root-derived lexemes lax-merge into the root's Encyclopedia entry (direct_lax_merger): family, not identity.

The denominal verb misger 'to frame' (her (6)) is derived from the noun misgeret, not from the root: no lax hom carries the full lexicon into the root's entry, because misger is not among the root's own realizations in any pattern (misger_blocked) — her interference argument. Its meaning is instead the compositional image of the noun's (misger_locality), while the root-derived lexemes' meanings are unanalyzable atoms (root_derived_atomic) — her locality constraint (8) in Ch. 7: roots are assigned an interpretation at the first category-assigning head, and the interpretation is carried along thereafter.

Main results #

The √sgr family #

The patterns of the √sgr family ((5)), plus the denominal verb pattern CiCCeC of (6).

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    def Arad2005.instReprPattern.repr :
    PatternStd.Format
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      Meanings: the root-derived listed atoms of (5), plus the compositional layer vOf m — 'to do something with an m' — for word-derived verbs.

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        def Arad2005.instDecidableEqMeaning.decEq (x✝ x✝¹ : Meaning) :
        Decidable (x✝ = x✝¹)
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          def Arad2005.instReprMeaning.repr :
          MeaningStd.Format
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            The seven lexemes: the six root-derived formations of (5) and the noun-derived misger of (6).

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              def Arad2005.instReprSgrLex.repr :
              SgrLexStd.Format
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                inductive Arad2005.Sqrt :

                The single root.

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                  instance Arad2005.instDecidableEqSqrt :
                  DecidableEq Sqrt
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                  instance Arad2005.instFintypeSqrt :
                  Fintype Sqrt
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                  def Arad2005.instReprSqrt.repr :
                  SqrtStd.Format
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                    Each lexeme's form.

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                      The lexeme-grain system: each lexeme licensed in its home pattern only.

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                        The root-grain system: √sgr's own Encyclopedia entry ((5)) — the six direct cells. The denominal pattern CiCCeC is empty: the root has no root-derived formation there.

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                          Multiple Contextualized Meaning is root allosemy: √sgr's interpretation varies across patterns.

                          Grain arrows #

                          theorem Arad2005.no_strict_merger {R₂ : Type u_1} {C₂ : Type u_2} {T : Morphology.Realization.Interpreted R₂ C₂ String Meaning} (φ : sgrLexemes.Hom T) {l l' : SgrLex} (h : l l') :
                          φ.onRoot l φ.onRoot l'

                          No strict hom into any target merges two distinct sgr-lexemes: their contextwise interpretations clash at the home cell (Interpreted.Hom.interp_eq_of_onRoot_eq). At the lexeme grain, all seven are genuinely distinct indices.

                          The root-derived sublexicon of (5).

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                            def Arad2005.instReprDirect.repr :
                            DirectStd.Format
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                              The lexeme grain restricted to the root-derived six.

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                                The six root-derived lexemes lax-merge into the root's Encyclopedia entry: each one's form and meaning are among the root's, at its own pattern. Family membership without identity — the lexeme→√ coarsening arrow.

                                The denominal verb blocks the merger (her interference argument): no lax hom carries the full lexicon into the root's entry, because misger is not among √sgr's realizations in any pattern — it enters the family only through the noun misgeret.

                                Locality ((8)): assigned at first categorization, carried along #

                                misger's meaning is the compositional image of misgeret's — 'to X' applied to the noun's fixed interpretation, per the locality constraint: the interpretation assigned at the noun's categorization is carried along into the denominal verb.

                                theorem Arad2005.root_derived_atomic (l : SgrLex) :
                                l SgrLex.misger∀ (c : Pattern), msgrLexemes.interp l c, Arad2005.Meaning.isDerived✝ m = false

                                Root-derived meanings are unanalyzable atoms: none is the compositional image of another formation's meaning — they are listed against the root, fixed at first categorization.

                                The √qlt witness ((28), (61b)) #

                                √qlt's nominal patterns ((28)) and its two verbal patterns ((61b)).

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                                  def Arad2005.instReprQPattern.repr :
                                  QPatternStd.Format
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                                    √qlt's listed meanings: qelet 'input', maqlet 'receiver', miqlat 'shelter, asylum', taqlit '(vinyl) record', qaletet 'cassette', qalat 'absorb', hiqlit 'record'.

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                                      def Arad2005.instReprQMeaning.repr :
                                      QMeaningStd.Format
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                                        inductive Arad2005.QSqrt :

                                        The single root.

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                                          instance Arad2005.instDecidableEqQSqrt :
                                          DecidableEq QSqrt
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                                          def Arad2005.instReprQSqrt.repr :
                                          QSqrtStd.Format
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                                            √qlt's Encyclopedia entry across its seven attested patterns.

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                                              The √qlt table is a second MCM witness: seven patterns, seven listed meanings — root allosemy at scale.