Heller M, Woodin W.H. (eds.) Infinity. New research frontiers (CUP, 2011)(ISBN 1107003873)(O)(327s)_MAml_
Heller M, Woodin W.H. (eds.) Infinity. New research frontiers (CUP, 2011)(ISBN 1107003873)(O)(327s)_MAml_ Heller M, Woodin W.H. (eds.) Infinity. New research frontiers (CUP, 2011)(ISBN 1107003873)(O)(327s)_MAml_
interpretation of z in b + sde 149y> ex {x 1 ,...,x n } if (∀x)(x ex ϕ), where ϕ is x = x 1 ∨ ...∨ x = x n .The third claim is proved by induction on n. Let x be given, and letA(x,y 1 ,...,y n−1 ), where this is considered vacuously true if n = 1. Let x ′ >x,y 1 ,...,y n−1 . Obviously, x ′ >ϕ, where ϕ is x ≠ x. ByDE,(∃y n )(¬y n ex ϕ),(∃y n )(¬y n ≤ x,y 1 ,...,y n−1 ∧ y n ∼⊘),(∃y n )(¬y n ≤ x ∧ y n ≠ y 1 ,...,y n−1 ∧ y n ∼⊘),A(x,y 1 ,...,y n ).Lemma 8.2 Let ϕ be a formula of L(>, ≫, =) in which u, v do notappear. Suppose y> ex ϕ, where (∀u, v)(ϕ[x/u]∧ϕ[x/v]→ ¬u
- Page 276: the existence of e 0 123“+” and
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- Page 288: eferences 129ReferencesGödel, Kurt
- Page 292: introduction 131This establishes th
- Page 296: interpretation power 133a. Paramete
- Page 300: asic facts about interpretation pow
- Page 304: etter than, much better than 137We
- Page 308: etter than, much better than 139Unl
- Page 312: some implications 141two disjuncts
- Page 316: interpretation of mbt in zf 143both
- Page 320: interpretation of mbt in zf 145stru
- Page 324: interpretation of b + vsde + ssde i
- Page 330: 150 concept calculus: much better t
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- Page 364: CHAPTER 7Some Considerations on Inf
- Page 368: infinite divisibility of space: qua
- Page 372: infinite extension of space 171Cant
- Page 376: the danger of speculating about inf
interpretation of z in b + sde 149y> ex {x 1 ,...,x n } if (∀x)(x ex ϕ), where ϕ is x = x 1 ∨ ...∨ x = x n .The third claim is proved by induction on n. Let x be given, and letA(x,y 1 ,...,y n−1 ), where this is considered vacuously true if n = 1. Let x ′ >x,y 1 ,...,y n−1 . Obviously, x ′ >ϕ, where ϕ is x ≠ x. ByDE,(∃y n )(¬y n ex ϕ),(∃y n )(¬y n ≤ x,y 1 ,...,y n−1 ∧ y n ∼⊘),(∃y n )(¬y n ≤ x ∧ y n ≠ y 1 ,...,y n−1 ∧ y n ∼⊘),A(x,y 1 ,...,y n ).Lemma 8.2 Let ϕ be a formula of L(>, ≫, =) in which u, v do notappear. Suppose y> ex ϕ, where (∀u, v)(ϕ[x/u]∧ϕ[x/v]→ ¬u