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Mirrors > Home > MPE Home > Th. List > 2ralor | Structured version Visualization version Unicode version |
Description: Distribute restricted universal quantification over "or". (Contributed by Jeff Madsen, 19-Jun-2010.) |
Ref | Expression |
---|---|
2ralor |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rexnal 2995 |
. . . 4
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2 | rexnal 2995 |
. . . 4
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3 | 1, 2 | anbi12i 733 |
. . 3
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4 | ioran 511 |
. . . . . . 7
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5 | 4 | rexbii 3041 |
. . . . . 6
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6 | rexnal 2995 |
. . . . . 6
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7 | 5, 6 | bitr3i 266 |
. . . . 5
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8 | 7 | rexbii 3041 |
. . . 4
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9 | reeanv 3107 |
. . . 4
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10 | rexnal 2995 |
. . . 4
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11 | 8, 9, 10 | 3bitr3ri 291 |
. . 3
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12 | ioran 511 |
. . 3
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13 | 3, 11, 12 | 3bitr4i 292 |
. 2
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14 | 13 | con4bii 311 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-10 2019 ax-11 2034 ax-12 2047 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-ral 2917 df-rex 2918 |
This theorem is referenced by: ispridl2 33837 |
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