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Mirrors > Home > MPE Home > Th. List > nfdisj | Structured version Visualization version Unicode version |
Description: Bound-variable hypothesis builder for disjoint collection. (Contributed by Mario Carneiro, 14-Nov-2016.) |
Ref | Expression |
---|---|
nfdisj.1 |
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nfdisj.2 |
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Ref | Expression |
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nfdisj |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dfdisj2 4622 |
. 2
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2 | nftru 1730 |
. . . . 5
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3 | nfcvf 2788 |
. . . . . . . 8
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4 | nfdisj.1 |
. . . . . . . . 9
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5 | 4 | a1i 11 |
. . . . . . . 8
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6 | 3, 5 | nfeld 2773 |
. . . . . . 7
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7 | nfdisj.2 |
. . . . . . . . 9
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8 | 7 | nfcri 2758 |
. . . . . . . 8
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9 | 8 | a1i 11 |
. . . . . . 7
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10 | 6, 9 | nfand 1826 |
. . . . . 6
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11 | 10 | adantl 482 |
. . . . 5
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12 | 2, 11 | nfmod2 2483 |
. . . 4
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13 | 12 | trud 1493 |
. . 3
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14 | 13 | nfal 2153 |
. 2
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15 | 1, 14 | nfxfr 1779 |
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-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rmo 2920 df-disj 4621 |
This theorem is referenced by: disjxiun 4649 disjxiunOLD 4650 |
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