no. 2
Appendix: from the Journal of Symbolic Logic
Séminaire de Philosophie et Mathématiques, no. 2 (1993), article no. 3, 5 p. 
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Longo, Giuseppe. Appendix: from the Journal of Symbolic Logic. Séminaire de Philosophie et Mathématiques, no. 2 (1993), article  no. 3, 5 p. http://www.numdam.org/item/SPHM_1993___2_A3_0/

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