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Mirrors > Home > ILE Home > Th. List > relelfvdm | Unicode version |
Description: If a function value has a member, the argument belongs to the domain. (Contributed by Jim Kingdon, 22-Jan-2019.) |
Ref | Expression |
---|---|
relelfvdm |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elfv 5552 |
. . . . . 6
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2 | exsimpr 1629 |
. . . . . 6
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3 | 1, 2 | sylbi 121 |
. . . . 5
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4 | equsb1 1796 |
. . . . . . . 8
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5 | spsbbi 1855 |
. . . . . . . 8
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6 | 4, 5 | mpbiri 168 |
. . . . . . 7
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7 | nfv 1539 |
. . . . . . . 8
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8 | breq2 4033 |
. . . . . . . 8
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9 | 7, 8 | sbie 1802 |
. . . . . . 7
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10 | 6, 9 | sylib 122 |
. . . . . 6
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11 | 10 | eximi 1611 |
. . . . 5
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12 | 3, 11 | syl 14 |
. . . 4
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13 | 12 | anim2i 342 |
. . 3
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14 | 19.42v 1918 |
. . 3
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15 | 13, 14 | sylibr 134 |
. 2
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16 | releldm 4897 |
. . 3
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17 | 16 | exlimiv 1609 |
. 2
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18 | 15, 17 | syl 14 |
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-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-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 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-xp 4665 df-rel 4666 df-dm 4669 df-iota 5215 df-fv 5262 |
This theorem is referenced by: mptrcl 5640 elfvmptrab1 5652 elmpocl 6113 oprssdmm 6224 mpoxopn0yelv 6292 eluzel2 9597 hashinfom 10849 basmex 12677 basmexd 12678 relelbasov 12680 ismgmn0 12941 rrgmex 13757 lssmex 13851 lidlmex 13971 2idlmex 13997 istopon 14181 istps 14200 topontopn 14205 eltg4i 14223 eltg3 14225 tg1 14227 tg2 14228 tgclb 14233 cldrcl 14270 neiss2 14310 lmrcl 14359 cnprcl2k 14374 metflem 14517 xmetf 14518 ismet2 14522 xmeteq0 14527 xmettri2 14529 xmetpsmet 14537 xmetres2 14547 blfvalps 14553 blex 14555 blvalps 14556 blval 14557 blfps 14577 blf 14578 mopnval 14610 isxms2 14620 comet 14667 |
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