An element can be fluid.Logical formLearned from1 sentences. A sea can be fluid.Logical formLearned from1 sentences. A slag can be fluid.Logical formLearned from1 sentences. Some iron can be fluid.Logical formLearned from1 sentences. A (plane area) may be exposed to fluid pressure.Logical formLearned from1 sentences. Fluid pressure can be on a side.Logical formLearned from1 sentences. A fluid pressure can be on sides of a prism.Logical formLearned from1 sentences. Fluid pressure may be implied in a definition of a fluid.Logical formLearned from1 sentences. An axiom of a normality of fluid pressure can be a foundation of a theory of hydrostatics.Logical formLearned from1 sentences. Problems of fluid motion may be excluded from treatment.Logical formLearned from1 sentences. A principle of a normality of an equality of fluid pressure may be employed.Logical formLearned from1 sentences. Ps can be fluid.Logical formLearned from1 sentences. Abcds can be fluid.Logical formLearned from1 sentences. Positions can be under an action of fluid pressures.Logical formLearned from1 sentences. An action may pertain-to fluid pressures.Logical formLearned from1 sentences.