However, due to the many unproven assumptions in the paper, there have been few serious attempts to conduct further experiments.

It was an "unproven assumption" in late November.

It began with an unproven assumption that there exists a link between the mandates in the legislation and the supposed positive impact to the environment.

Such a putatively humane approach is justified, in part, by the unproven assumption that these individuals have a poor quality of life.

When discussing possible responses, though, Berger referred to the premise-al Qaeda responsibility- as an "unproven assumption."

Lurking behind this unproven assumption is the same logic that held that "clearly" blacks and whites should serve in segregated military units.

"I don't . . . There's an unproven assumption here, isn't there?"

In common usage, "theory" often refers to conjectures, hypotheses, and unproven assumptions.

What emerges from reading the DECC report in full is how heavily almost every page of it relies on wishful thinking and unproven assumptions.

However, the GAM has come under considerable criticism in recent years regarding underlying and unproven assumptions and poor data support for the theory.