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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 4464 reusv3 4606 cnvpom 5330 cnvsom 5331 fununi 5449 isocnv2 6018 dfsmo2 6558 ixpiinm 7006 rexfiuz 11755 isnsg2 14006 opprsubrngg 14519 opprdomnbg 14583 rmodislmodlem 14687 rmodislmod 14688 tgss2 15180 cnmptcom 15399 |
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