%0 Journal Article %T Paths and Challenges toward Making Futures More of a Science: Introducing the C %A Patrick Corsi %J World Futures Review %@ 2169-2793 %D 2019 %R 10.1177/1946756718783466 %X Developing a theoretical foundation toward establishing a futures science requires reconstructing original roots, whereby this field is conceptualized at higher generality levels. This article aims to provide a unifying framework for expressing any of the futures (from possible to plausible, plausible to undecidable) plus the mechanisms for manipulating these futures, with a view to promoting genuine futures thinking. Despite more than sixty years of studies about ¡°the future,¡± the logical status of future-based conceptualizations still remains, at best, unclear. This article proposes to fill the continuity gap through designing a generative mechanism for expanding futures concepts based on formal theory. We use the well-developed Concept-Knowledge theory from Mines ParisTech, founded on set theory without the axiom of choice. The space K represents known/knowable things (present and past facts, available knowledge, what is known-to-be-known/to-be-not-known). The space C of concepts represents what is undecidable, neither provable nor unprovable at a given time. The C-K operating mechanism logically expands C concepts relatively to K, until they result in a conjunction with K¡ªthat is, become possible¡ªpossibly requiring extra development work. The article illustrates the approach on a series of field cases, whereby the path to futures robustness starts upstream at undecidable stages, as if to open up vast conceptual reservoirs of ¡°futurabilities¡±¡ªa foundational step transcending traditional futures studies. Futuring becomes a constructive and generative process, potentially leading to accepting infinities of futures formulations, where generativity is monitored as a design-oriented logic working on knowledge. Such an approach should improve the foresight practice %K C-K theory %K generativity %K design %K futures status %K scenarios %U https://journals.sagepub.com/doi/full/10.1177/1946756718783466