
vidheya (ganitiya tark)

tark mein, ack vidheya ack prateek haye joe ack sampatti yaa sambandh kaa pratinidhitva kartaa haye. udaaharan key liye, pratham crum sootra _ 1 mein, prateek sootra _ 2 ack vidheya haye joe vyaktigat sthir sootra _ 3 parr lagu hotaa haye. isi tarah, sootra _ 4 mein, prateek sootra _ 5 ack vidheya haye joe vyaktigat sthiraank sootra _ 3 aur sootra _ 7 parr lagu hotaa haye. 
tark key shabdarth mein, vidheyakon koo sambandhon key roop mein vyakhya kii jaati haye. udaaharan key liye, pratham-crum tark key liye ack maanak shabdarth mein, sootra 4 ack vyakhya parr sahee hoga yadi sootra 3 dwara niroopit ikaaiyaan aur sootra 7 sootra 5 dwara niroopit sambandh mein khade hain. kyonki poorvasoochak gair-taarkik prateek hain, way unhein dee gaee vyakhya key aadhar parr vibhinn sambandhon koo niroopit curr sakate hain. jabaki pratham-crum tark mein kewal way poorvasoochak shamil hain joe vyaktigat sthiraank parr lagu hotey hain, anya tark anya purvasoochakon parr lagu honey vaale purvasoochakon kii anumati dey sakate hain.
vibhinn pranaliyon mein purvanirdhaarit.
ack vidheya ack kathan yaa ganitiya daavaa haye jisamen charr hotey hain, jinhen kabhi-kabhi vidheya charr key roop mein sandarbhit kiya jaataa haye, aur una charon key moolya yaa moolyon key aadhar parr sahee yaa galat hoe sakata haye.