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# Title: An Essay Concerning Humane Understanding (shelfmarks Leibn. Marg. 38; ZEN Leibn. Marg. 38)
# Folio 265, page id 778263916:0281
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Perrees of Knomlede
ninc. ThustheMind beines willirig to Lnow the Aorcement or Disagree:
inent in bignels, betveen the three Angles of a Triangle, and rvo rixhe
ones, cannoth an immediate vie and comparins them, doir: Becaule
thechree Ansles ot a Lriansle cannor De brousht at once, and be com.
pared with ans ocher onc, or tiro Ansles; and (0 of this the Mind hasno
immediate, no intuitire knomledse. In this Cale the Mind is tain 10
find out lome other Ansles, to crhich thethree Aneles oF a Friansle have
an Equality; and Eindins chose cqual to two risht ones, comes to lnom
cheir Equalitr t0 tro right OnCS.
6. 3. Thole intervenins Ideas, Which serve to Meir elio Agreement oF
any two others, are called Proofs; and Where the Asreement or Dilagroe.
inent is by this means plainls and cleartr verceived, it is called Demon-
stration, it beins ewnto the Onderstandins, and the Mind made lee that
ii is (0. A quickness in the Mind 1o find out these intermediate Ideas,
(That MaII diseorer the Apreemeni or Dilagreoment ot any Other,) and
eo apply chem ristut, is, I suppose, that Which is called Sacaciry.
8. 4. This Unomledre By interveninz Proofs, thoustr it be certain, vet
ilie Fvidence oF it is not altosether so clear and brighe, nor the asent (0
readr, as in inivitive Rnomledoe. For thouoh in Demonstration, the
Mind does at last perceire the Aereement or Dilagreement of the Ideas
it considers; y et ris not without Pains and Atrention: Phere must De
more than one transient viem eo find ir. A Ceddy axplication and pur--
suit, is required tothis Discoverr: And there must De a Prosression by
Steps arid desrees, belore the Mind can in this nay arrive at Certainey, and
come to perceire the Agreement or Repugnanes berween uno Ldeas chaL
need Prooss, and the Vle ot Realon to Mew il.
8. 5. Anorher difference betroeen intuitive and demonstrative lnoule dee-
is, that thoush in the latter all doube be removed, irhenby che Interven-
tion ofthe intermediate Ldeas; the Aoreement or Disagreement is per-
ceired; yet belore the Demonstration there as a doubt, irhich in intui-
tire snom ledse cannot happen to the Mindchat has its Faculty ot Perce
peion lest toa degree capable of distinct ideas, no more thian it cari be a
doubeto the Fye, (thatcan distinctly sec White and Black,) Whether this
Inke, and ihis Paper b0 alI ot a Colour. IE there be Sieht in theFyes, it
rill at trst slimpse, without Helitation, perceire the Words printed on
this Paper different from the Coloui ofetie P’aper: And (o it theMindhave
Ehie Faculty os distinct Perception, it will perceire chie AOFCCMenE Ox Disa-
Ereement oE chole Ldeas chat prodiice intuirive Rnow ledse. IF the Fyes
have lost thie Faculer oF secins, or the Mind oE perceivins, ve in vain en-
quire alcer che quichriess ot Sixhr in one, or clearness ot Percextion in the
Orher.
5. 6. FiS truc che Perception, procliced By demonseration, is allo very
clear; but yet it is olten with a great abatemene oE thac crident sustre
and Full alturance that alirars accompany chat Whichi l call intuitire; likie
a Face reftected by several Mirrors one to another, Where as lone as it re
tains etie limilitude and agreement with ehe Object, it produces a RnoW.
ledse; bur tis still every rellection, with a lesenins oF chat perlect Clear-
ress and Distincness, Wrhich is inthe trst; till in many remores it has e
Freat mixture of Dimnets, and isnor at First Sigheso Khorable, especialsy
Eo Weak Fy CS. Flius it is ich Hnomledse, made out by a lons train ot
PrOOIS.
8. 7. Nou, in every scep Reason mates in demonstrative nomledee, there
is an inruitive Knouledse of that Aereement or Disagreement it sceks wich
chenext incermcdiate Ldea, irtiich it yles ad a eroot: Foril ic Vere no
Mm