 | This article has not yet been rated on Wikipedia's content assessment scale. |
I will write the proof soon if someone else does not. It relies on partitions and I'm not sure how rigorous a proof is suitable for wikipedia.
| This article has not yet been rated on Wikipedia's content assessment scale. |
I will write the proof soon if someone else does not. It relies on partitions and I'm not sure how rigorous a proof is suitable for wikipedia.