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| Mirrors > Home > ILE Home > Th. List > olci | Unicode version | ||
| Description: Deduction introducing a disjunct. (Contributed by NM, 19-Jan-2008.) (Revised by Mario Carneiro, 31-Jan-2015.) |
| Ref | Expression |
|---|---|
| orci.1 |
|
| Ref | Expression |
|---|---|
| olci |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | orci.1 |
. 2
| |
| 2 | olc 664 |
. 2
| |
| 3 | 1, 2 | ax-mp 7 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-io 662 |
| This theorem depends on definitions: df-bi 115 |
| This theorem is referenced by: falortru 1338 sucidg 4171 indpi 6532 1ap0 7690 iap0 8254 bcn1 9685 odd2np1lem 10271 lcm0val 10447 ex-or 10560 |
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