now for the finale, can't catch up ^3 and above

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R.P. Clark 2022-12-17 16:08:56 +00:00
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\documentclass[a4paper,10pt]{article}
\usepackage[utf8]{inputenc}
%opening
\title{Fermat Primes reasoning}
\author{R.P.Clark}
\begin{document}
\maketitle
\begin{abstract}
Fermat reasoning for proving $a^N+b^N = c^N$ does not exist as an integer solution for values of $N \ge 3$.
\end{abstract}
\section{Definitions}
\subsection{Numbers as collections or bags of prime numbers}
For the reasoning that follows it is helpful to think of
integers as bags\footnote{Bags are like axiomatic sets except bags can hold duplicate values.} of prime numbers that can be multiplied together, or bag of Prime Numbers (BPN).
For instance the number, say 12 can be factored as $2\times2\times3$
or $2^2 \times 3$.
\paragraph{Additional as a destructor of co-prime factors}
Consider addition using numbers as bags of prime numbers.
Consider adding 12 and 21 i.e. $12+21=33$.
$$ (2\times2\times3 + 3\times7) $$
Clearly the common factor of three can be moved outside the brackets
$$ 3 \times (2\times2 + 7) $$
This means that the co-prime elements within the brackets
will not be preserved, but destroyed / removed from the resultant BPN.
The BPN for 33 is $3\times11$, the 2 and 7 prime numbers
in the brackets have been removed.
\paragraph{Power Balanced Prime Numbers}
A number is prime balanaced for a given integer $N$, if all its prime factors exist $N*k$
times where $k$ is a positive integer. as the PBPN is relevant for a given N value
PBPN is defined as a boolean function PBPN(N) where it is true or false
according to its BPN content.
For instance, the number 25 i.e. $5^2$ is prime balanced for $N=2$: 100 is also a PBPN(2)
$5^2\times2^2 = 100$.
The number 200 i.e. $5^2\times2^3$ is not a PBPN(2) because the power of 2 ($2^3$) is not cleanly divisible by 2.
\subsection{Roots: integer or trancendental results}
In order for a root to have an integer result it must have a `Prime~Balanced'
PBPN. If it does not the root will contain a trancedental fractional power.
Consider 200 in the case above. Its square root is $5^1\times2^{3/2}$.
Any number greater than 1 with a fractional root will be transendental
because it cannot resolve back to a BPN.
\subsection{Relatively Co-Prime}
If two numbers have at least some co-prime factors they are `Relatively co-prime' (RCP).
Thus numbers that can share some prime factors and have co-prime as well
are RCP.
\section{Back to the Fermat conjecture}
\subsection{Discussion with $N=2$}
$$ a^N + b^N = c^N$$
For the $c^N$ part to have an integer in $c$ the result of the addition must be
a PBPN.
Also both $a$ and $b$ must be less than $c$.
However they must add up to a PBPN.
This means a and b must be relatively co prime.
Consider the Pythagoras example for a set square 3,4,5.
$$4^2 + 3^2 = 5^2$$
Viewing this as bags of prime numbers we have $2^3 + 3^2 = 5^2$.
Here the numbers being added are RCP (actually co-prime as well).
The addition has removed the co-prime factors of $2$ and $3$ and resulted
in a PBPN(2) number with 5 as its only prime number.
Now consider multiplying the numbers in the addition
by a PBPN(2) number. The simplest is $2^2$. So
$$ 2^2\times3^2 + 2^2\times4^2 = 100$$
or
$$ 2^2(3^2 + 4^2) = 5^2\times2^2 $$
The number 100 is true for PBPN(2) and therfore has an integer square root.
\subsection{Discussion with $N=3$}
For the equation below
$$ a^3 + b^3 = c^3$$
to be true for some integers a,b and c
the following conditions must be met.
\begin{itemize}
\item a and b must be less than c
\item a and b must be RCP
\end{itemize}
\end{document}