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1. Vadhyaghātaka Virodha :
The first type of oppositional relation is represented by the relation of destruction, which obtains between the destroyable and the destroyer. For example, between snake and mongoose, or fire and water. The destruction in such cases is possible only when two co-existent positive fact come together into collision and the one overpowers the other. There is not such destruction between being and non-being as the two, according to the opponents itself, they do not co-exist in a common substratum even for a moment. If, however, the two are admitted to co-exist in a common substratum, none would destroy the other, because both are equally powerful on account of their independent and equally powerful origin. 2. Sahanavasthana Virodha :
The second type is represented by the relation of non-coexistence, which obtains between characteristics originating at different moments of time.For example, between greenness and yellowness of the selfsame mango at different moments of its existence. Yellowness in this context can only succeed greenness and can never co-exist with it. This type of opposition also does not hold good between being and non-being. Nonbeing cannot inherit the locus of being, because the locus of being has ceased to exist along with the cessation of being. And non-being without a locus is as un-understandable as squarecircle. So it becomes clear that pure being and pure non-being has many logical difficulties. 3. Pratibandhya-pratibandhaka Virodha :
The third type of oppositional relation is represented by the relation of obstruction, which obtains between the obstructed and the obstructer. For example, the conjunction of a fruit with its stalk obstructs the gravitation of the fruit towards the earth. This type of opposition also is not possible between being and non-being. Being is not an obstruct or of non-being, because the existence of being does not obstruct the existence of non-being. We have already seen how the object of our experience is a synthesis of being and non-being.
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