JB/135/054/002

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D'Alembert

seemingly willing to offend another then who admit
this principle of those who reject it swayed partly by the
arguments of those who reject this proposition but
were by those of they who admit it, he says
La superposition tille gre les Mathématicièns
la concoirent, ne consiste pas à appliquer
grossierement unifigure sur une autre pair
juger par les yeux de leur inegalité a
de leur difference &c mais elle consiste â imagine
une figure transportée sur une autre, le conlude
en un mot de satisfaire l'esprit en parlant aux yeux

The difference according to his avant consists in
the actuall laying one on another by your hand,
or supposing them to be done so, and not grossierement.
In short the reason of this distinction appears to
be that by imagining it done you steer clear of
all little phisical protuberances you imagine
perfect lines & perfect surfaces that is to say
you do not take into your account you have
no Idea of the imperfections the protuberances,
you avoid the plague of such inaccuracies you
fix you attention on the essential part. in that
you have in view the purpose+ for which you
are going to pronounce the angles equal or not.

NOTE. + an example of the of determining when it is
things are said to be equal & added. of having the purpose
in view. vid epay

Identifier: | JB/135/054/002 "JB/" can not be assigned to a declared number type with value 135.
Date_1		Marginal Summary Numbering
Box	135	Main Headings
Folio number	054	Info in main headings field	d'alembert
Image	002	Titles
Category	copy/fair copy sheet	Number of Pages	4
Recto/Verso	recto	Page Numbering
Penner	sir samuel bentham	Watermarks	[[watermarks::[gr with crown] [pro patria motif]]]
Marginals		Paper Producer
Corrections		Paper Produced in Year
Notes public		ID Number	46172
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