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| Mirrors > Home > ILE Home > Th. List > ralcom | Unicode version | ||
| Description: Commutation of restricted quantifiers. (Contributed by NM, 13-Oct-1999.) (Revised by Mario Carneiro, 14-Oct-2016.) |
| Ref | Expression |
|---|---|
| ralcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2392 |
. 2
| |
| 2 | nfcv 2392 |
. 2
| |
| 3 | 1, 2 | ralcomf 2712 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 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 proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 |
| This theorem is used by: ralrot3 2716 ralcom4 2844 ssint 3986 issod 4466 reusv3 4608 cnvpom 5333 cnvsom 5334 fununi 5452 isocnv2 6021 dfsmo2 6562 ixpiinm 7010 rexfiuz 11777 isnsg2 14065 cntzrec 14169 opprsubrngg 14628 opprdomnbg 14692 rmodislmodlem 14796 rmodislmod 14797 tgss2 15305 cnmptcom 15524 |
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