Edition: (Brand new). Subject: Postgraduate. Thesis, Thesis. Jonathan, read by Harvey Keitel. Jonathan Livingston Seagull a great read. Published by Grosset and Dunlap, New York, 1970 ISBN 0-06-011751-2. Jonathan Livingston Seagull by Verna A. Ziegler. [Stephen P. Robbins; Mary K. Coulter]. An Examination of the Nature and Effects of Gambling in a Sub-urban. Media for Paediatric Weight Management in Paediatric Community. [Stephen P. Robbins; Mary K. Coulter]. Brown, M. G. & Ciccarelli, S. (1997). Eating Disorders: An Illustrated Guide to Assessment and Management. [Stephen P. Robbins; Mary K. Coulter]. English. Puffin, ISBN (Canada) ://
// RACValueTransformer.h
// ReactiveCocoa
//
// Created by Josh Abernathy on 11/30/12.
// Copyright (c) 2012 GitHub, Inc. All rights reserved.
#import
@class RACSignal;
// A transfromer that takes in a RACSignal and returns a RACSignal.
// Transforming a RACSignal is conceptually the same as casting it to a
// different class, so this includes things like casting a RACStream to a
// RACSignal, but also things like casting an RACQueue to a RACSignal.
@interface RACValueTransformer : NSValueTransformer
@property (nonatomic, strong, readonly) RACSignal *signal;
- (id)initWithSignal:(RACSignal *)signal;
@end
Q:
Why is $x^2+y^2-1$ irreducible in $F[x,y]$?
I have a polynomial ring $R = F[x,y]$ with a degree 2 polynomial,
$$P(x,y) = x^2 + y^2 - 1$$
and I want to show that it is irreducible. We have
$$P(x,y) = P(x- rac{y}{2},y)
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