Abstract
We prove the statement in the title of the paper.
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Communicated by E. Lieb
Research supported by the NSF under grant MCS-7703543
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Kesten, H. The critical probability of bond percolation on the square lattice equals 1/2. Commun.Math. Phys. 74, 41–59 (1980). https://doi.org/10.1007/BF01197577
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DOI: https://doi.org/10.1007/BF01197577