Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
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 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eldif 3080 | . 2 | |
2 | 1 | simprbi 273 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wcel 1480 cdif 3068 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-v 2688 df-dif 3073 |
This theorem is referenced by: elndif 3200 unssin 3315 inssun 3316 noel 3367 disjel 3417 undifexmid 4117 exmidundif 4129 exmidundifim 4130 phpm 6759 undifdcss 6811 fsum3cvg 11147 summodclem2a 11150 fisumss 11161 isumss2 11162 binomlem 11252 fproddccvg 11341 prodmodclem2a 11345 exmid1stab 13195 |
Copyright terms: Public domain | W3C validator |