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mulla sadra has presented four theories on existential propositions which at first glance seem to be completely different from each other. the present article claims that, if we consider these four views from the perspective of the principality of existence and from the perspective of the principality of quiddity we will find that: firstly, these four views are reducible to two, and secondly, t...

helicobacter pylorus (hp) is a common infection in iran. inappropriate laboratory tests for its diagnosis such as serology and irrational drug prescription for hp treatment in patients with non-ulcer dyspepsia is a drastic obstacle in our country. treating every patient with dyspepsia without peptic ulcer or precancerous lesions, not only results in high economic burden on health system, but al...

Given a function f : I → J and a pair of means M and N, on the intervals I and J respectively, we say that f is MN -convex provided that f (M(x, y)) N(f (x), f (y)) for every x , y ∈ I . In this context, we prove the validity of all basic inequalities in Convex Function Theory, such as Jensen’s Inequality and the Hermite-Hadamard Inequality. Mathematics subject classification (2000): 26A51, 26D...

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it is well-known that “casual conditional” in islamic logics has been used with two meanings: “specific conditional” and “general conditional”. however, viewing the works of the muslim logicians, we find out that these two meanings of “casual conditional” have been interpreted in two various ways: each of the general and specific conditionals is sometimes interpreted as the condition of “non-ne...