Topic 3 - Vidyās having really different subject-matter are separate, though in other respects there are similarities Sutra 3,3.6 अन्यथात्वं शब्दादिति चेत्, न, अविशेषात् ॥ ६ ॥ anyathātvaṃ śabdāditi cet, na, aviśeṣāt || 6 || anyathātvaṃ—There is difference; śabdāt —on account of (difference in) texts; iti cet —if it be said; na —not so; aviśeṣāt —on account of non-difference (as