the armchair 30x40cm

the armchair was missing, now together with the couch, I got a set... [A.R.]

Armchair theorizing, armchair philosophizing, or armchair scholarship is an approach to providing new developments in a field that does not involve the collection of new information but, rather, a careful analysis or synthesis of existent scholarship.^[1] Depending on context, the armchair approach may be considered deficient or unproductive. For example, anthropologists typically consider ethnographic fieldwork to be a necessary part of anthropological research and consider the armchair approach to be antiquated.^[2] [Wikipedia]