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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 4837 |
. . 3
| |
| 2 | 1 | raleqi 2753 |
. 2
|
| 3 | ralxp.1 |
. . 3
| |
| 4 | 3 | raliunxp 4923 |
. 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 4251 ax-pow 4313 ax-pr 4348 |
| 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 4194 df-xp 4782 df-rel 4783 |
| This theorem is used by: ralxpf 4928 issref 5173 ffnov 6195 eqfnov 6198 funimassov 6242 f1stres 6397 f2ndres 6398 ecopover 6911 ecopoverg 6914 xpf1o 7148 imasaddfnlemg 13694 srgfcl 14384 txbas 15484 cnmpt21 15517 txmetcnp 15744 txmetcn 15745 qtopbasss 15747 mpodvdsmulf1o 16284 fsumdvdsmul 16285 |
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