Mathbox for Giovanni Mascellani |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > tsxo1 | Structured version Visualization version Unicode version |
Description: A Tseitin axiom for logical exclusive disjunction, in deduction form. (Contributed by Giovanni Mascellani, 24-Mar-2018.) |
Ref | Expression |
---|---|
tsxo1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tsbi1 33940 | . 2 | |
2 | xnor 1466 | . . 3 | |
3 | 2 | orbi2i 541 | . 2 |
4 | 1, 3 | sylib 208 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wo 383 wxo 1464 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-xor 1465 |
This theorem is referenced by: (None) |
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