1

Extended normal form theorems for logical proofs from axioms

Year:
2000
Language:
english
File:
PDF, 106 KB
english, 2000
2

Consistency proof via pointwise induction

Year:
1998
Language:
english
File:
PDF, 162 KB
english, 1998
3

Ordinal diagrams for recursively Mahlo universes

Year:
2000
Language:
english
File:
PDF, 304 KB
english, 2000
5

Ordinal Diagrams for Π3-Reflection

Year:
2000
Language:
english
File:
PDF, 408 KB
english, 2000
7

PROOF THEORY OF WEAK COMPACTNESS

Year:
2013
Language:
english
File:
PDF, 342 KB
english, 2013
9

PROOF-THEORETIC STRENGTHS OF WEAK THEORIES FOR POSITIVE INDUCTIVE DEFINITIONS

Year:
2018
Language:
english
File:
PDF, 273 KB
english, 2018
12

On the Slowly Well Orderedness of εo

Year:
2002
Language:
english
File:
PDF, 142 KB
english, 2002
13

Non-elementary speed-ups in logic calculi

Year:
2008
Language:
english
File:
PDF, 144 KB
english, 2008
14

A slow growing analogue to buchholz' proof

Year:
1991
Language:
english
File:
PDF, 1.00 MB
english, 1991
15

Quick cut-elimination for strictly positive cuts

Year:
2011
Language:
english
File:
PDF, 259 KB
english, 2011
16

Proof theory for theories of ordinals II: Π3-reflection

Year:
2004
Language:
english
File:
PDF, 570 KB
english, 2004
17

Ideas in the epsilon substitution method for -FIX

Year:
2005
Language:
english
File:
PDF, 295 KB
english, 2005
19

Epsilon substitution method for ID1(Π10∨Σ10)

Year:
2003
Language:
english
File:
PDF, 444 KB
english, 2003
20

Proof theory for theories of ordinals—I: recursively Mahlo ordinals

Year:
2003
Language:
english
File:
PDF, 801 KB
english, 2003
21

Some results on cut-elimination, provable well-orderings, induction and reflection

Year:
1998
Language:
english
File:
PDF, 5.04 MB
english, 1998
22

A bounded arithmetic AID for Frege systems

Year:
2000
Language:
english
File:
PDF, 303 KB
english, 2000
23

Exact bounds on epsilon processes

Year:
2011
Language:
english
File:
PDF, 209 KB
english, 2011
24

Nested PLS

Year:
2011
Language:
english
File:
PDF, 197 KB
english, 2011
25

Epsilon substitution method for theories of jump hierarchies

Year:
2002
Language:
english
File:
PDF, 254 KB
english, 2002
31

Epsilon Substitution Method for$\Pi _{2}^{0}$-FIX

Year:
2006
Language:
english
File:
PDF, 2.01 MB
english, 2006
32

Wellfoundedness Proofs by Means of Non-Monotonic Inductive Definitions I: Π₂⁰-Operators

Year:
2004
Language:
english
File:
PDF, 1.90 MB
english, 2004
35

The Logic of Provabilityby Giorgi Japaridze; Dick de Jongh

Year:
2000
Language:
english
File:
PDF, 106 KB
english, 2000
36

Types in Logic, Mathematics and Programmingby Robert L. Constable

Year:
2000
Language:
english
File:
PDF, 105 KB
english, 2000
37

Variations on a Theme by Weiermann

Year:
1998
Language:
english
File:
PDF, 621 KB
english, 1998
38

The Lengths of Proofsby Pavel Pudlák

Year:
2000
Language:
english
File:
PDF, 151 KB
english, 2000
40

LIFTING PROOF THEORY TO THE COUNTABLE ORDINALS: ZERMELO-FRAENKEL SET THEORY

Year:
2014
Language:
english
File:
PDF, 471 KB
english, 2014
41

Epsilon substitution method for -FIX

Year:
2006
Language:
english
File:
PDF, 1.64 MB
english, 2006
42

CONSERVATIONS OF FIRST-ORDER REFLECTIONS

Year:
2014
Language:
english
File:
PDF, 321 KB
english, 2014
43

Predicatively computable functions on sets

Year:
2015
Language:
english
File:
PDF, 231 KB
english, 2015
44

Intuitionistic fixed point theories over set theories

Year:
2015
Language:
english
File:
PDF, 338 KB
english, 2015
45

Wellfoundedness proofs by means of non-monotonic inductive definitions I: Π2 0-operators

Year:
2004
Language:
english
File:
PDF, 1.18 MB
english, 2004
47

Realizabilityby A. S. Troelstra

Year:
2000
Language:
english
File:
PDF, 133 KB
english, 2000
49

[untitled]

Year:
2003
Language:
english
File:
PDF, 172 KB
english, 2003
50

Hierarchies of Provably Recursive Functionsby Matt Fairtlough; Stanley S. Wainer

Year:
2000
Language:
english
File:
PDF, 142 KB
english, 2000