Can you provide the Appendix you mentioned in the paper?

[Lukangkang123]

In your paper, you said "We proof Proposition 1 in Appendix”, but I can't find the appendix on neither arXiv nor AAAI. So, can you provide the Appendix you mentioned in your paper? Or provide detailed proof of Proposition 1.

[gimpong]

Hello, below is the proof of Proposition 1.

[Lukangkang123]

Hello, below is the proof of Proposition 1.

Thank you~~~