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Mirrors > Home > ILE Home > Th. List > rexiunxp | Unicode version |
Description: Write a double restricted
quantification as one universal quantifier.
In this version of rexxp 4806, ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
ralxp.1 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
rexiunxp |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eliunxp 4801 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | 1 | anbi1i 458 |
. . . . 5
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3 | 19.41vv 1915 |
. . . . 5
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4 | 2, 3 | bitr4i 187 |
. . . 4
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5 | 4 | exbii 1616 |
. . 3
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6 | exrot3 1701 |
. . . 4
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7 | anass 401 |
. . . . . . 7
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8 | 7 | exbii 1616 |
. . . . . 6
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9 | vex 2763 |
. . . . . . . 8
![]() ![]() ![]() ![]() | |
10 | vex 2763 |
. . . . . . . 8
![]() ![]() ![]() ![]() | |
11 | 9, 10 | opex 4258 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
12 | ralxp.1 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
13 | 12 | anbi2d 464 |
. . . . . . 7
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14 | 11, 13 | ceqsexv 2799 |
. . . . . 6
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15 | 8, 14 | bitri 184 |
. . . . 5
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16 | 15 | 2exbii 1617 |
. . . 4
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17 | 6, 16 | bitri 184 |
. . 3
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18 | 5, 17 | bitri 184 |
. 2
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19 | df-rex 2478 |
. 2
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20 | r2ex 2514 |
. 2
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21 | 18, 19, 20 | 3bitr4i 212 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-sbc 2986 df-csb 3081 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-iun 3914 df-opab 4091 df-xp 4665 df-rel 4666 |
This theorem is referenced by: rexxp 4806 |
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