Friday, 24 February 2017

Examples Of The Interpersonal Metafunction In Mathematics


(1) proposition (statement) realised by a clause of declarative mood:

a2
=
b2 + c2
a [squared]
equals
b [squared] plus c [squared]
Subject
Finite
Predicator
Complement
Mood
Residue


(2) proposal (suggestion: offer+command*) realised by a clause of imperative mood:


let
x
=
3
Finite: modulation
Complement
Predicator
Complement
Mood
Residue



* For suggestions as being both offers and commands, see Halliday & Matthiessen (2014: 166).


As the examples above demonstrate, mathematical symbolism is the written mode expression plane system, the "graphology", that realises the wording of language — identifying clauses — for the registers realising the field of these situation types.

In spoken mode, the expression plane system for mathematics is the phonological system of the language of the mathematician.

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