पृष्ठम्:Rekha Ganita.djvu/४१

24 In Book VIbhe order of most of the propositions is different as below: - Rekhxgapita. Bil.s edition and Greg's edition. 1B 11 10 11 12 12 18B 10 18 19 19 20 20 18 2B 24 24 26 25 23 26 25 31 32 82 31 Propositions 2,28 and 20, which are omitted in recent edi tions of Geometry, are found in the Rekhaganita and Bil.s and Greg.s editions. In Book VIIhe Rekhagaita has 89 propositions and Bil's edition has 41 propositions. Of bhe bwo additional propositions in bhe English text, proposition 20 is noticed in the Sanskrit text as corollary to proposition 19 and proposition 22, which is enunciated as follows in Bil.'s edition, inds no place in the Sanskrit text:-- If there be three numbers, and other numbers equal unto them in magnitude, which being compared two and two are in the self-same proportion and if also bhe proportion of them be perturbate, then of equality they shall be in one and bhe same proportion. This proposition is omitted, perhaps because it answers to the 25th proposition of Book v,