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Mirrors > Home > MPE Home > Th. List > Mathboxes > isfne4 | Structured version Visualization version Unicode version |
Description: The predicate "![]() ![]() |
Ref | Expression |
---|---|
isfne.1 |
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isfne.2 |
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Ref | Expression |
---|---|
isfne4 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnerel 32333 |
. . 3
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2 | 1 | brrelex2i 5159 |
. 2
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3 | simpl 473 |
. . . . 5
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4 | isfne.1 |
. . . . 5
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5 | isfne.2 |
. . . . 5
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6 | 3, 4, 5 | 3eqtr3g 2679 |
. . . 4
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7 | fvex 6201 |
. . . . . . 7
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8 | 7 | ssex 4802 |
. . . . . 6
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9 | 8 | adantl 482 |
. . . . 5
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10 | uniexb 6973 |
. . . . 5
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11 | 9, 10 | sylib 208 |
. . . 4
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12 | 6, 11 | eqeltrrd 2702 |
. . 3
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13 | uniexb 6973 |
. . 3
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14 | 12, 13 | sylibr 224 |
. 2
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15 | 4, 5 | isfne 32334 |
. . 3
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16 | dfss3 3592 |
. . . . 5
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17 | eltg 20761 |
. . . . . 6
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18 | 17 | ralbidv 2986 |
. . . . 5
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19 | 16, 18 | syl5bb 272 |
. . . 4
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20 | 19 | anbi2d 740 |
. . 3
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21 | 15, 20 | bitr4d 271 |
. 2
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22 | 2, 14, 21 | pm5.21nii 368 |
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-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-iota 5851 df-fun 5890 df-fv 5896 df-topgen 16104 df-fne 32332 |
This theorem is referenced by: isfne4b 32336 isfne2 32337 isfne3 32338 fnebas 32339 fnetg 32340 topfne 32349 fnemeet1 32361 fnemeet2 32362 fnejoin1 32363 fnejoin2 32364 |
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