Abstract: This is a review I wrote for the Bulletin of Symbolic Logic on the following papers:
- Saharon Shelah, Middle Diamond, Archive for Mathematical Logic, vol. 44 (2005), pp. 527–560.
- Saharon Shelah, Diamonds, Proceedings of the American Mathematical Society, vol. 138 no. 6 (2010), pp. 2151–2161.
- Martin Zeman. Diamond, GCH and Weak Square. Proceedings of the American Mathematical Society, vol. 138 no. 5 (2010), pp. 1853–1859.
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Citation information:
A. Rinot, The search for diamonds, Bull. Symbolic Logic, 16(3): 420-423, 2010.
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