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Mirrors > Home > ILE Home > Th. List > raluz2 | Unicode version |
Description: Restricted universal quantification in an upper set of integers. (Contributed by NM, 9-Sep-2005.) |
Ref | Expression |
---|---|
raluz2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluz2 9472 | . . . . . 6 | |
2 | 3anass 972 | . . . . . 6 | |
3 | 1, 2 | bitri 183 | . . . . 5 |
4 | 3 | imbi1i 237 | . . . 4 |
5 | impexp 261 | . . . . . 6 | |
6 | impexp 261 | . . . . . . 7 | |
7 | 6 | imbi2i 225 | . . . . . 6 |
8 | 5, 7 | bitri 183 | . . . . 5 |
9 | bi2.04 247 | . . . . 5 | |
10 | 8, 9 | bitri 183 | . . . 4 |
11 | 4, 10 | bitri 183 | . . 3 |
12 | 11 | ralbii2 2476 | . 2 |
13 | r19.21v 2543 | . 2 | |
14 | 12, 13 | bitri 183 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 968 wcel 2136 wral 2444 class class class wbr 3982 cfv 5188 cle 7934 cz 9191 cuz 9466 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-cnex 7844 ax-resscn 7845 |
This theorem depends on definitions: df-bi 116 df-3or 969 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-sbc 2952 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-fv 5196 df-ov 5845 df-neg 8072 df-z 9192 df-uz 9467 |
This theorem is referenced by: (None) |
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