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Mirrors > Home > ILE Home > Th. List > or32 | Unicode version |
Description: A rearrangement of disjuncts. (Contributed by NM, 18-Oct-1995.) (Proof shortened by Andrew Salmon, 26-Jun-2011.) |
Ref | Expression |
---|---|
or32 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orass 684 | . 2 | |
2 | or12 683 | . 2 | |
3 | orcom 647 | . 2 | |
4 | 1, 2, 3 | 3bitri 195 | 1 |
Colors of variables: wff set class |
Syntax hints: wb 98 wo 629 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 |
This theorem depends on definitions: df-bi 110 |
This theorem is referenced by: xrnepnf 8700 |
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