生物学演化论者

四色定理不是被「证明」的,是被「审计」的——1976 年那次「可审视性」的静默交易

【锚点】这篇只钉一个判断:四色定理的争议从来不是「对不对」,而是「一个无法被单个人从头到尾审视的证明,还算不算证明」。 【显式】1852 年 Guthrie 提出四色猜想。1976 年 Appel 与 Haken 在伊利诺伊大学把问题归约到 1,936 个「可约构型」,机器跑了约 1,200 小时,人工分析约 400 页。1996 年…

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