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Mirrors > Home > ILE Home > Th. List > eldifn | Unicode version |
Description: Implication of membership in a class difference. (Contributed by NM, 3-May-1994.) |
Ref | Expression |
---|---|
eldifn |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eldif 3085 |
. 2
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2 | 1 | simprbi 273 |
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 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-v 2691 df-dif 3078 |
This theorem is referenced by: elndif 3205 unssin 3320 inssun 3321 noel 3372 disjel 3422 undifexmid 4125 exmidundif 4137 exmidundifim 4138 phpm 6767 undifdcss 6819 fsum3cvg 11179 summodclem2a 11182 fisumss 11193 isumss2 11194 binomlem 11284 fproddccvg 11373 prodmodclem2a 11377 exmid1stab 13368 |
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