"[Les] situations dites de 'formulation' permettent l'acquisition des modèles explicites et de langages qui, dans le cas où ils ne sont pas encore des notions mathématiques, se voient ainsi conféré un statut de notions paramathématiques (l'ostension et l'usage y tiennent lieu de définition" (Brousseau 1981 p.52)
• English : Situation of formulation
“In order that the vocabulary may be acquired and the terms make sense, they “must” be used sufficiently to express and communicate information in situations which both justify their use and control it. Such so-called situations of formulation allow the acquisition of explicit models and languages which, in cases in which mathematical notions are not yet in existence, are therefore given the status of paramathematical notions (here, display and usage take the place of definition).” (Brousseau 1997 p.162)
• English : Situation of formulation
“In order that the vocabulary may be acquired and the terms make sense, they “must” be used sufficiently to express and communicate information in situations which both justify their use and control it. Such so-called situations of formulation allow the acquisition of explicit models and languages which, in cases in which mathematical notions are not yet in existence, are therefore given the status of paramathematical notions (here, display and usage take the place of definition).” (Brousseau 1997 p.162)
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