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Dravya and Paryay
Dravya (Substance) - Every substance in the universe continuously changes its
form. During the modification process, its certain qualities or properties remains unchanged. Collectively the unchanged
qualities are called as Dravya. Paryäya (Modification or Form) - Each substance in the universe continuously modifies its
form. This form is called Paryay of that substance at that
time. Dravya and Paryay are inseparable
- e.g. Bengal is a Paryay, Gold is a Dravya
