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| Mirrors > Home > ILE Home > Th. List > ralxp | Unicode version | ||
| Description: Universal quantification restricted to a cross product is equivalent to a double restricted quantification. The hypothesis specifies an implicit substitution. (Contributed by NM, 7-Feb-2004.) (Revised by Mario Carneiro, 29-Dec-2014.) |
| Ref | Expression |
|---|---|
| ralxp.1 |
|
| Ref | Expression |
|---|---|
| ralxp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iunxpconst 4835 |
. . 3
| |
| 2 | 1 | raleqi 2753 |
. 2
|
| 3 | ralxp.1 |
. . 3
| |
| 4 | 3 | raliunxp 4921 |
. 2
|
| 5 | 2, 4 | bitr3i 186 |
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-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-iun 4014 df-opab 4193 df-xp 4780 df-rel 4781 |
| This theorem is used by: ralxpf 4926 issref 5170 ffnov 6192 eqfnov 6195 funimassov 6239 f1stres 6393 f2ndres 6394 ecopover 6907 ecopoverg 6910 xpf1o 7144 imasaddfnlemg 13635 srgfcl 14277 txbas 15359 cnmpt21 15392 txmetcnp 15619 txmetcn 15620 qtopbasss 15622 mpodvdsmulf1o 16104 fsumdvdsmul 16105 |
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