theorem 3.91 Tarski's undefinability of truth
open in the book ·
parts/02-mathematical-methods/01-logic-sets.tex:2634
· p. 49
Rests on
-
depends_on
definition 3.82
Consistency, completeness, soundness
¶
- depends_on definition 3.80 Formal system ¶
- depends_on definition 3.7 Negation ¶
-
depends_on
lemma 3.86
Diagonal lemma
¶
-
depends_on
definition 3.83
Peano arithmetic
¶
- depends_on axiom 3.33 Peano axioms ¶
- depends_on axiom 3.34 Principle of induction ¶
- depends_on definition 3.80 Formal system ¶ ↺
- depends_on definition 3.80 Formal system ¶ ↺
- proves proof ch:01-logic-sets@prooflink-3 ¶
-
depends_on
definition 3.83
Peano arithmetic
¶
- proves proof ch:01-logic-sets@proof-22 ¶
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Edges
| type | direction | node | provenance | where |
|---|---|---|---|---|
cites |
→ | Der Wahrheitsbegriff in den formalisierten Sprachen | derived | parts/02-mathematical-methods/01-logic-sets.tex:2638 |
depends_on |
→ | Consistency, completeness, soundness | declared | parts/02-mathematical-methods/01-logic-sets.tex:2639 |
depends_on |
→ | Diagonal lemma | declared | parts/02-mathematical-methods/01-logic-sets.tex:2639 |
proves |
← | ch:01-logic-sets@proof-22 | declared | parts/02-mathematical-methods/01-logic-sets.tex:2642 |