Class 12 Logic in Bengali|| বস্তুগত বিবর্তন কি বৈধ? Is Material Obversion Valid?

Описание: I am discussing Class 12 Logic in Bengali in my channel LIFE WITH PHILOSOPHY. Today's topic quite different. Here I have discussed Material Obversion is valid or not.I hope students can understand my explanation, if possible please like ,share and subscribe my channel LIFE WITH PHILOSOPHY.

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