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commutativity of Any _ (tl2 L4 L1 L2) and Any _ (tl2 L4 L1 (tl3 a L L2))
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 02 Dec 2020 10:16:24 +0900
parents 59d12d02dfa8
children a5b3061f15ee
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Galois Theory
============

Shinji KONO (kono@ie.u-ryukyu.ac.jp), University of the Ryukyus

## Galois Theory

```
Symmetric.agda       symmetic group
Solvable.agda        commutator and solvable 

Gutil.agda           lemma on a group 
Putil.agda           lemma on Permutation
fin.agda             lemma on Data.Fin
logic.agda           lemma on Logic
nat.agda             lemma on Data.Nat

sym2.agda            Symmetric 2 is solvable
sym3.agda            Symmetric 3 is solvable
sym4.agda            Symmetric 4 is solvable
sym5.agda            Symmetric 5 is not solvable

FLutil.agda          unique concrete representation of Permutation
                     with Fresh List
FLComm.agda          Solvable in FL / FList

sym2n.agda           proved by Any
sym3n.agda           
sym4n.agda           

```

Todo :  some proofs in FLutil / FLComm are not finished