. ▁Host ed ▁by ▁the ▁É cole ▁Norm ale ▁Sup érieure , ▁under ▁the ▁patron age ▁of ▁the ▁School ▁for ▁Advanced ▁Studies ▁in ▁the ▁Social ▁Sciences , ▁the ▁Sem inar ▁now ▁enjoyed ▁" a ▁much ▁larger ▁audience " ▁and ▁represented ▁a ▁" change ▁of ▁front ". ▁This ▁series ▁of ▁less ons , ▁now ▁edited ▁as ▁Book ▁XI ▁of ▁the ▁Sem inar , ▁opens ▁with ▁the ▁less on ▁" Ex communic ation " ▁in ▁which ▁Lac an ▁exp ands ▁on ▁the ▁circumstances ▁and ▁imp lications ▁of ▁his ▁ex clusion ▁from ▁the ▁IP A . ▁The ▁second ▁less on , ▁" The ▁Fre ud ian ▁Un cons cious ▁and ▁O urs " ▁sets ▁the ▁tone ▁of ▁his ▁en su ing ▁teaching ▁by ▁indicating ▁potential ▁points ▁of ▁dis continu ity ▁with ▁respect ▁to ▁Fre ud ' s ▁o e uv re . ▁ ▁Lac an ' s ▁year ly ▁Sem inar ▁continued ▁at ▁the ▁É cole ▁norm ale ▁sup érieure ▁until ▁ 1 9 6 9 . ▁From ▁aut umn ▁ 1 9 6 9 ▁on wards , ▁it ▁was ▁hosted ▁by ▁the ▁Law ▁Fac ulty ▁at ▁Place ▁du ▁Pan th éon . ▁This ▁series ▁of ▁sem in ars , ▁the ▁late ▁period ▁of ▁Lac an ' s ▁teaching , ▁opened ▁with ▁The ▁Other ▁Side ▁of ▁Ps y cho analysis , ▁now ▁edited ▁as ▁Book ▁XVII ▁of ▁the ▁Sem inar , ▁and ▁continued ▁until ▁the ▁late ▁sevent ies . ▁ ▁As ▁Lac an ' s ▁teaching ▁moved ▁into ▁the ▁phase ▁known ▁as ▁the ▁very ▁late ▁teaching