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The term "[[discourse]]" is used by [[Lacan]] to emphasize the ''[[intersubjectivity|transindividual nature]]'' nature of '''[[language]]''', the fact that '''[[speech]]''' always implies another [[subject]], an interlocutor.

The '''[[unconscious]]''' is the "[[discourse|discourse of the Other]]", or the effect on the [[subject]] of [[speech]] that is addressed to that [[subject]] from elsewhere, by another [[subject]] (who has been [[memory|forgotten]]), by an [[scene|other scene]] or [[scene|psychic locality]].

[[Image:Lacan-fourdiscourselettersLetdis.jpg|thumb|250px|right|[[Algebra]]ic [[symbol]]s from the [[Four Discourses]]]]

The [[discourse|four discourses]] correspond to ''four'' '''[[matheme|algorithms]]''': each [[matheme|algorithm]] contains names of these ''four'' [[algebraic]] '''[[symbol]]s'''are shown to the right.

The ''four'' [[discourse|four discoursessymbol]] s correspond to ''four'' '''different [[mathemediscourse|algorithmspositions]]''', in each of which contains ''four'' [[algebraicmatheme|algorithm]] of the [[symboldiscourse|four discourses]]s.

The [[discourseImage:Discourse-Structure.jpg|thumb|algorithms]] 250px|right|The structure of the [[discourse|four discourses]] contain ''four'' [[algebraic]] [[symbol]]s in ''four'' different [[discourse|positions]].

The '''[[discourse|positionsposition]]''' of the ''four'' '''[[symbol]]s''' in each [[discoursematheme|algorithm]] is what distinguishes the [[discourse|four discourses]] from one another.

What distinguishes the The [[discourse|four discourses]] are distinguished from one another is by the '''[[discourse|positions]]of these ''' of the four '''[[symbol]]s''' in each [[discoursematheme|algorithm]] .

The Each of the [[discourse|four discourses]] are distinguished from one another is defined by the '''[[discourse|positionsposition]]of the ''' of these four '''[[symbol]]s''' in each its [[discoursematheme|algorithm]] .

=====Four Positions=====Each [[discourse]] has The names of the ''four'' [[discourse|positions]], which stand in a fixed relationship are shown to one anotherthe right.<ref>{{S20}} p.21</ref>

There are ''four '' =====Discourse of the Master=====[[Image:Madis.jpg|thumb|right|[[Discourse]] of the [[Master]]]]The [[discourse|positions]] in each of the [[master]] is the basic [[discourse]], from which stand in a fixed relationship to one anotherthe other three [[discourse]]s are derived.

There are The ''four 'dominant position' '' is occupied by the [[master signifier]] ([[Image:SS1.gif]]), which represents the [[subject]] ('''S''') for another [[discourse|positionssignifier]] or, more precisely, for all other [[signifiers]] ([[Image:SS2.gif]] ); however, in the this [[mathemesignification|algorithmssignifying operation]] of the there is always a [[discourse|four discoursessurplus]], each of which is designated by namely, ''[[objet petit a different name]]''.

=====Four Names=====[[Image:Lacan-structurefourdiscoursesThe point is that all attempts at totalization are doomed to failure.jpg|thumb|250px|right|The structure of the four discourses]]

The first position (with which each [[discourse]] starts) is called of the [[discourse|agentmaster]] "masks the [[division]] of the [[subject]]."<ref>{{S17}} p. 118</ref>

The second position is called [[discourse]] also illustrates clearly the [[discoursestructure]] of the [[dialectic]] of the [[master]] and the [[master|otherslave]].

The third position [[master]] ([[Image:SS1.gif]]) is called the [[discourse|productagent]] who puts the [[slave]] ([[Image:SS2.gif]]) to work; the result of this work is a [[surplus]] (''[[objet (petit) a|a]]'') that the [[master]]attempts to appropriate.

=====Discourse of the University=====[[Image:Unidis.jpg|thumb|right|[[Discourse]] of the [[University]]]]The four position [[discourse]] of the [[university]] is called produced by a quarter turn of the [[discourse|truth]]of the [[master]] (anticlockwise).

The names of the ''fourdominant position is occupied by [[knowledge]] ('' [[discourse|positionssavoir]] are shown below.<ref>{{S20}} p''). 21</ref>