... u t w h a t • the user k n w s f r , n t the ongoing dise.urse This l:tt,.r type of km)~h'dge eop,~titutes w h a t the' system discer~s to bt, tits, m u t u a l h(.liv.:s of the system attd user ... that the user's knowledge al)out the s n p e r o r d i n a t e concept is correct The user therefore arrives a t the misconception because of his/her incomplete u n d e r s t a n d i n g of the ... evidence/justification for the c o r r e c t ch,~+:ifi,'~ti.n The s y , l e m m a y hdlow this s t r a t e g y when the user mod~l indicates t h a t the itser thinks the p++sited suFerordinate and the h i ]...