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Mirrors > Home > MPE Home > Th. List > isufil | Structured version Unicode version |
Description: The property of being an ultrafilter. (Contributed by Jeff Hankins, 30-Nov-2009.) (Revised by Mario Carneiro, 29-Jul-2015.) |
Ref | Expression |
---|---|
isufil |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ufil 19616 |
. 2
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2 | pweq 3974 |
. . . 4
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3 | 2 | adantr 465 |
. . 3
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4 | eleq2 2527 |
. . . . 5
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5 | 4 | adantl 466 |
. . . 4
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6 | difeq1 3578 |
. . . . 5
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7 | eleq12 2530 |
. . . . 5
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8 | 6, 7 | sylan 471 |
. . . 4
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9 | 5, 8 | orbi12d 709 |
. . 3
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10 | 3, 9 | raleqbidv 3037 |
. 2
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11 | fveq2 5802 |
. 2
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12 | fvex 5812 |
. 2
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13 | elfvdm 5828 |
. 2
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14 | 1, 10, 11, 12, 13 | elmptrab2 19543 |
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 1592 ax-4 1603 ax-5 1671 ax-6 1710 ax-7 1730 ax-8 1760 ax-9 1762 ax-10 1777 ax-11 1782 ax-12 1794 ax-13 1955 ax-ext 2432 ax-sep 4524 ax-nul 4532 ax-pow 4581 ax-pr 4642 |
This theorem depends on definitions: df-bi 185 df-or 370 df-an 371 df-3an 967 df-tru 1373 df-ex 1588 df-nf 1591 df-sb 1703 df-eu 2266 df-mo 2267 df-clab 2440 df-cleq 2446 df-clel 2449 df-nfc 2604 df-ne 2650 df-ral 2804 df-rex 2805 df-rab 2808 df-v 3080 df-sbc 3295 df-csb 3399 df-dif 3442 df-un 3444 df-in 3446 df-ss 3453 df-nul 3749 df-if 3903 df-pw 3973 df-sn 3989 df-pr 3991 df-op 3995 df-uni 4203 df-br 4404 df-opab 4462 df-mpt 4463 df-id 4747 df-xp 4957 df-rel 4958 df-cnv 4959 df-co 4960 df-dm 4961 df-rn 4962 df-res 4963 df-ima 4964 df-iota 5492 df-fun 5531 df-fv 5537 df-ufil 19616 |
This theorem is referenced by: ufilfil 19619 ufilss 19620 isufil2 19623 trufil 19625 fixufil 19637 fin1aufil 19647 |
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