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9 Nov 2023: cross-sections C1 and C2 yieldsκ. 2π[δSC2 δSC1 ] =. ξaδCa =. δTabξ. akbhdV dn2x. where ka is the tangent to the affinely parametrized generatorsof the horizon. ... Since. ka =1. κVξa. this is equivalent to. V2SvNV 2. 2πκ.

6 Mar 2008: N QoKA][a@sGYbªicmFWGIyXjGIG» iyGIX2NpVWiTHjVsa>H2A{H2dYiyvH¢a>AvW]UHjVWGsGYbN?à ÌyCpá VWiTHjVsa>HuâRãä)å A]KWA{kA]jAgWbGhgzæT2VWGIvWGIcGYXFæ.A] x XjAtwGacvW.ç@è%é¡èæpFêÛmJëA]asGYbicmod¢VsacXjacdIHjGYXZA]ZHjAdKæ¡?BH_V4A]KtuG)a

15 Jun 2000: How to discover a proof of the fundamental theorem of arithmetic. The usual proof. Here is a brief sketch of the proof of the fundamental theorem of arithmetic that is most commonly presented in textbooks. 1. First one introduces Euclid's algorithm,

11 Dec 2001: i). IjB - [B,B]. @@@@@. j[A,B]R. [[A,B], [A,B]]. kA? 7. Hyland and Power. ... ii). [A,C]kA- [[A,A], [A,C]]. [A,C]. w. w. w. w. w. w.

21 Oct 2004: Since K S, we have Ka Sa. On the other hand, ifb Sa then b L for some special chain L and each of the three possiblerelationships given in our key ... Thus Sa Ka, soSa = Ka and Sa is a special chain.).

10 Mar 2006: "$#&%')(,.-0/214356,8793:<;='>:(?4@ ,.ACBED>79FG?4@IHKJ+@@LNM. O P K QRTSUWVXSYVZ[[]_Kbac badefgh i]0KShS KjkQclb[]emdQin6oqprdQisPtprd.QWEoqpruv xw>y{z |C} v ]xwKy{z |}Z v | O w v ]xw>yrz |}Z v | O w v w>y{z |} v 4|C | O w v w>ycz |} v 4| O wg.

19 Aug 2008: for each pair (A, B) a natural transformation. C(A, B)K - D(KA, KB). ... R. HB. Hf? ᾱf KA = HA. 1? βA- KA. @@. @@. @. αB χB. R. β̄f. HB. 1? βB- KB. Kf?

23 Apr 2016: Since K S, we have Ka Sa. On the other hand, ifb Sa then b L for some special chain L and each of the three possiblerelationships given in our key ... Thus Sa Ka, soSa = Ka and Sa is a special chain.).

14 Feb 2007: w" 0YcWÊi RSRQk P9ß W RSTurq ß RXjRX4"z" iUWRQYaEWzÖU P kà]w6mfE P __¥WdfIWUdqlRQkb P w9rIT_U_ cdklmf)¥ P zKRXKRQVwÉ"YÛi RQUYZRQiU P RQkb P U]kEkkb[UY_jWhzw" ... Kà] RQC}RKWdfWUdRXK¥4[U RQT]wWjÖ P kÎ]w ]RQU P [Ua._ c_}RQRXj}g 0YcWU PQP

21 Oct 2015: 10. Let G be a group. If H is a normal subgroup of G and K is a normal subgroup of H, is Ka normal subgroup of G?