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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 3800 |
. 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-v 2804 df-dif 3202 df-sn 3675 |
| This theorem is referenced by: neldifsn 3803 suppssfv 6231 suppssov1 6232 elfi2 7171 fiuni 7177 fifo 7179 en2other2 7407 oddprm 12850 ringelnzr 14220 lgslem1 15748 lgseisenlem2 15819 lgseisenlem4 15821 lgseisen 15822 lgsquadlem1 15825 lgsquad2 15831 m1lgs 15833 |
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