This concept assumes that there is a causal relationship between the dose of a toxicant (or concentration for toxicants in solution) and a measured response.

The very concept assumes the existence of a higher power than that of the nation state.

The concept of childhood gender nonconformity assumes that there is a correct way to be a girl or a boy.

The concept assumes the contact area is planar and has sufficiently high friction to keep the feet from sliding.

In this time-critical action scenario, concepts like "geometric progression" assume a certain urgency.

Unfortunately, the concept assumes that most men know what they want to wear when they're not at the office.

The operatic concept assumes that the character is male, and the audience accepts him as such, even knowing that the actor is not.

The concept of an imagination age assumes that it is an established reality.

The concept assumes that within any single market there are invariably other sub-markets.

This concept, known as "nominalism," assumed that money had an intrinsic value which did not change.