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Mirrors > Home > ILE Home > Th. List > iscld | Unicode version |
Description: The predicate "the
class ![]() |
Ref | Expression |
---|---|
iscld.1 |
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Ref | Expression |
---|---|
iscld |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iscld.1 |
. . . . 5
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2 | 1 | cldval 14267 |
. . . 4
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3 | 2 | eleq2d 2263 |
. . 3
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4 | difeq2 3271 |
. . . . 5
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5 | 4 | eleq1d 2262 |
. . . 4
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6 | 5 | elrab 2916 |
. . 3
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7 | 3, 6 | bitrdi 196 |
. 2
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8 | 1 | topopn 14176 |
. . . 4
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9 | elpw2g 4185 |
. . . 4
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10 | 8, 9 | syl 14 |
. . 3
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11 | 10 | anbi1d 465 |
. 2
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12 | 7, 11 | bitrd 188 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-iota 5215 df-fun 5256 df-fv 5262 df-top 14166 df-cld 14263 |
This theorem is referenced by: iscld2 14272 cldss 14273 cldopn 14275 topcld 14277 discld 14304 |
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