Errata for the book "Aide Multicritère à la décision: Méthodes et cas", Paris, 1993 by Bernard Roy and Denis Bouyssou: 1. Page 38, lines 1–2: Read "if and only if H = T ∪ V is complete, transitive, T is the asymmetric part of H and V is the symmetric part of H." 2. Page 39, line -4: Read "if and only if H = T ∪ V is complete, of Ferrers, quasitransitive, T is the asymmetric part of H and V is the symmetric part of H." 3. Page 62, line 1: Read "la façon". 4. Page 101, line 6: Read "the axiom of non-redundancy ensures validity". 5. Page 156, line -6 before 3.1.6: Read "it suffices to change". 6. Page 174, line -3: Read "k₃ = 7/10". 7. Page 194, line -3: Read "↔ [Non( x̲^p Py^p )]". 8. Page 249, Figure 5.2.1: Replace the first legend (top-left diagram) with "bSa and Non(aSb)". 9. Page 285, formula (r.5.3.11), second line: Read "≤ g_j(b) + v_j [g_j(b)]". 10. Page 287, line -4: Read "such that d_k(b,a) < c(b,a)". 11. Page 312, line -10: Read "of incomparable actions". 12. Page 325, line -2 of note 1: Read "Barrett". 13. Page 386, Figure 6.2.3: Remove the arc from a₁ to a₇. 14. Page 394, line 2 of case iii): Read "the unique category C^{x+1}". 15. Page 421, line 19: Read "for λ₂ < λ₁".Errata for the book "Aide Multicritère à la décision: Méthodes et cas", Paris, 1993 by Bernard Roy and Denis Bouyssou: 1. Page 38, lines 1–2: Read "if and only if H = T ∪ V is complete, transitive, T is the asymmetric part of H and V is the symmetric part of H." 2. Page 39, line -4: Read "if and only if H = T ∪ V is complete, of Ferrers, quasitransitive, T is the asymmetric part of H and V is the symmetric part of H." 3. Page 62, line 1: Read "la façon". 4. Page 101, line 6: Read "the axiom of non-redundancy ensures validity". 5. Page 156, line -6 before 3.1.6: Read "it suffices to change". 6. Page 174, line -3: Read "k₃ = 7/10". 7. Page 194, line -3: Read "↔ [Non( x̲^p Py^p )]". 8. Page 249, Figure 5.2.1: Replace the first legend (top-left diagram) with "bSa and Non(aSb)". 9. Page 285, formula (r.5.3.11), second line: Read "≤ g_j(b) + v_j [g_j(b)]". 10. Page 287, line -4: Read "such that d_k(b,a) < c(b,a)". 11. Page 312, line -10: Read "of incomparable actions". 12. Page 325, line -2 of note 1: Read "Barrett". 13. Page 386, Figure 6.2.3: Remove the arc from a₁ to a₇. 14. Page 394, line 2 of case iii): Read "the unique category C^{x+1}". 15. Page 421, line 19: Read "for λ₂ < λ₁".