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One reason is that generalizing from this case contradicts one of the principal points of the paper : studies of the Guatemalan military and militarism have depended too much on theory without empirical support . These data will serve as a testing ground for a complete theory of stellar evolution and dynamics . The theory of partial corotation implies a fall-down by a factor 2/3 only under the condition that the shape of the dipole field is not disturbed too much by currents in the plasma when it is being supported by the magnetic field and brought into corotation . In order to understand , why and how did logic rules and their applicability to the nature cognition arise , it is reasonable to construct the theory of evolutionary origin of human logic . We show that the proof system is sound and complete relative to the underlying equational theory without local scoping .