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RHIND MATHEMATICAL PAPYRUS
 
ize=+2 color="#ffEgyptian mathematics
on
6th Jan 1999

I'm 61 years old, from California, USA.



The RMP and EMLR were both purchased by Henry
Rhind in the late 1850's, in Egypt, and brought
back to England, and laid unread for years.

The first to be attempted to be read was the RMP
and its famous 2/nth table, in the early 1870's,
by a 'bootlegged' copy. By 1881 Sylvester and
Cantor discussed the RMP, with several vulgar
fractions aspects detailed by Sylvester in a
manner that was NOT reflective of Egyptian
thinking.

By 1895, Hultsch suggested that the 2/p series
followed an aliquot part rule, as given by:

2/p - A = (2A -p)/Ap

(an algebraic identity)

with p < A < p/2, and A being a highly
composite number, such that:

the divisors of A could be used to find
2A -p values, to exactly partition 2/p.

Science Awakening, by BL van der Waerden
offers a few examples of Hultsch's method,
as Bruins independently confirmed in the
1950's. Sadly, historians such as Neugebauer,
DE Smith, Knorr and other have tried to refute
Hultsch-Bruins. Several suggestions have been
offered following Sylvester's view of Fibonacci's
greedy algorithms and other non-ancient Egyptian
historical forms of mathematics, that has only
acted to confuse Greek and Egyptian number theory.

As proof that Hultsch was correct, 2/pq series
followed a rule:

2/pq = 2/A x A/pq

where A = (p + 1), for all but 2/35 and 2/91
and A = (p + q), for 2/35 and 2/91,

as Neugebauer and his later adherents have
sadly missed.

More later, touching on the EMLR and its
easy to read 1/p and 1/pq series.

As clue to EMLR richness, it was not attempted
to be read until 1927, well after an 'official'
negation of RMP 2/nth table number theory had
been published. Specially, line 1.0 of the
26 line EMLR read:

1/8 = 1/10 + 1/40

as computed by several historical methods,
such as the duplation methods that appear
in the RMP. However, line 1.0 is better
read by:

1/pq = 1/A x A/pq

where A = 5, or

1/8 = 1/5 x (5/8) = 1/5(1/2 + 1/8) = 1/10 + 1/40

as related to an out of order 1/8 computation
found in the EMLR, written as A = 25, or

1/8 = 1/25 x 25/8
= 1/5 (25/40)
= 1/5(3/5 + 1/40)
= 1/5 (1/5 + 2/5 + 1/40) with 2/5 = 1/3 + 1/15
= 1/5(1/5 + 1/3 + 1/15 + 1/40)

= 1/25 + 1/15 + 1/75 + 1/200

as not computed by any duplation method that
I have ever seen.

Again, this introduction opens a long closed
door, that needs very much to be opened.

Regards to all that wish to comment on this
page. Please send comments here, or to

[email protected]



 
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