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| Mirrors > Home > ILE Home > Th. List > eldifsni | Unicode version | ||
| Description: Membership in a set with an element removed. (Contributed by NM, 10-Mar-2015.) |
| Ref | Expression |
|---|---|
| eldifsni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eldifsn 3836 |
. 2
| |
| 2 | 1 | simprbi 275 |
1
|
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-v 2823 df-dif 3222 df-sn 3711 |
| This theorem is referenced by: neldifsn 3839 suppssov1 6289 suppssfvg 6493 elfi2 7296 fiuni 7302 fifo 7304 en2other2 7538 oddprm 13016 ringelnzr 14467 lgslem1 16033 lgseisenlem2 16104 lgseisenlem4 16106 lgseisen 16107 lgsquadlem1 16110 lgsquad2 16116 m1lgs 16118 |
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