@article{202103.0549,
	doi = {10.20944/preprints202103.0549.v1},
	url = {https://doi.org/10.20944/preprints202103.0549.v1},
	year = 2021,
	month = {March},
	publisher = {Preprints},
	author = {Young Hyeon Lee},
	title = {Mathematical Proof on the Existential Necessity of the World},
	journal = {Preprints}
}