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Mirrors > Home > ILE Home > Th. List > fovcl | Unicode version |
Description: Closure law for an operation. (Contributed by NM, 19-Apr-2007.) |
Ref | Expression |
---|---|
fovcl.1 |
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Ref | Expression |
---|---|
fovcl |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fovcl.1 |
. . 3
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2 | ffnov 5636 |
. . . 4
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3 | 2 | simprbi 269 |
. . 3
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4 | 1, 3 | ax-mp 7 |
. 2
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5 | oveq1 5550 |
. . . 4
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6 | 5 | eleq1d 2148 |
. . 3
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7 | oveq2 5551 |
. . . 4
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8 | 7 | eleq1d 2148 |
. . 3
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9 | 6, 8 | rspc2v 2714 |
. 2
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10 | 4, 9 | mpi 15 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-sep 3904 ax-pow 3956 ax-pr 3972 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ral 2354 df-rex 2355 df-v 2604 df-sbc 2817 df-csb 2910 df-un 2978 df-in 2980 df-ss 2987 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-uni 3610 df-iun 3688 df-br 3794 df-opab 3848 df-mpt 3849 df-id 4056 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-dm 4381 df-rn 4382 df-iota 4897 df-fun 4934 df-fn 4935 df-f 4936 df-fv 4940 df-ov 5546 |
This theorem is referenced by: ixxssxr 8999 fzof 9231 elfzoelz 9234 fzoval 9235 |
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