- #1

Mindstein

- 14

- 0

## Homework Statement

Prove that |-V> = -|V>

## Homework Equations

He instructs us to begin with |V> + (-|V>) = 0|V> = |0>

## The Attempt at a Solution

Let -|V> = |W>

Then

|V> + |W> = 0|V> = |0>

which implies that

|W> = |-V> ?

I'm really confused.