Monday, 1 December 2025

Applying a Relational Ontology to SFL: 5 Register Without Contamination: Reclaiming the Canonical Status

The aim of this post is to restore register in strict Hallidayan terms, purging non-canonical sociological, environmental, or misstratal interpretations, and situating it clearly in the relational ontology.


1. Register as Functional Variety of Language

Canonical SFL defines:

  • Register = functional variety of language

  • Registers exist within the semantic stratum (language), not the contextual stratum.

  • Register realises situation types: subpotentials of context.

This is crucial:

  • Situation types = context subpotentials (F/T/M configurations)

  • Register = semantic subpotential that construes and realises these situation types in language


2. Register is Not Context

Common misinterpretations:

  • Register as “variable of context”

  • Register as sociological category

  • Register as “style” imposed on text

Canonical Halliday + relational ontology reject these:

  • Registers do not instantiate context; they are semantic construals.

  • They are subpotentials of meaning, not event properties.

  • They exist inside the cline of instantiation of language, not above it.


3. Register and the Perspectival Cut

  • Situation type → register potential

  1. Situation type: the context subpotential

  2. Register: semantic-level subpotential constraining the wording of texts

  3. instance: text construed as an instance of the semantic subpotential realising the situation type

This preserves the relational-ontological framing:

  • Perspectival: each movement is a cut, not a process

  • Non-temporal: no sequence or derivation is implied

  • Canonical: fully aligned with Halliday’s strata


4. Register as Subpotential of Semantics

Visualising the structure:

StratumSubpotentialInstance
ContextSituation typeSituation
SemanticsRegisterText
  • Contextual subpotential → situation

  • Semantic subpotential → text

  • Register exists strictly at semantic level, realising contextual subpotentials

This resolves historical conflation of context and language, and prevents drift into sociological or environmental readings.


5. What This Post Secures

  1. Register is restored to canonical status

  2. Register is inside semantic stratum, not context

  3. Situation types remain context subpotentials

  4. Texts are perspectival instances of semantic subpotentials

  5. The relational ontology ensures all cuts are explicit and non-temporal

  6. Misinterpretations that treat register as a variable of context or as sociological category are eliminated


Next Post

Post 6 will address the Metaphysics of Realisation:

  • Explain realisation as a cross-stratal relation,

  • Situate it within relational ontology as perspectival descent, not temporal pipeline,

  • Show how semantic construal → lexicogrammar → phonology operates as a solidary, relational cut.

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