Propositional artworks

All of the following extracts are from this https://post.at.moma.org/content_items/1028-part-1-affective-geometry-immanent-acts-lygia-clark-and-performance about Lygia Clark's artworks. Does "propositional artworks" here mean "an artwork that the artist encourages (proposes) the audience to create it"?

Text:
Determining all of Clark’s propositional works to come would be what she discovered in Caminhando: that the point was not to create an event for an audience, and to use the artist’s actions and body as the object of contemplation (or even worse, as the object of admiration), but to invite everyone to experience his or her own body as an agent of choice, in an open process of discovery immanent to the performance of an act. Caminhando brought Clark to understand that through the proposition she could generate a crucial divorce between artwork and artist, elements that performance art and particularly body art tended to conflate...

... These objects became the catalysts of participatory propositions involving precarious, cheap, or quotidian materials (elastic bands, plastic bags, onion or orange sacks, pebbles, water, rubber tubes, etc.). Crucially, they had to be linked to actions, perceptions, and sensations, often shared among two or more participants?—?actions to which there were not really scores, but simply generic suggestions.

...To reach this double goal of “achiev[ing] the anonymous work” and of “the artist dissolv[ing] in the world,” she devised her first “proposition” for an “act” to be carried out by a “participant.” She called the work Caminhando. Anyone can “make for oneself” a Caminhando, Clark wrote in 1964: take a strip of paper, twist it once...

Determining all of Clark’s propositional works to come would be what she discovered in Caminhando: that the point was not to create an event for an audience, and to use the artist’s actions and body as the object of contemplation (or even worse, as the object of admiration), but to invite everyone to experience his or her own body as an agent of choice, in an open process of discovery immanent to the performance of an act (Art and Psychoanalysis by Maria Walsh).