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Mirrors > Home > ILE Home > Th. List > elicc2 | Unicode version |
Description: Membership in a closed real interval. (Contributed by Paul Chapman, 21-Sep-2007.) (Revised by Mario Carneiro, 14-Jun-2014.) |
Ref | Expression |
---|---|
elicc2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rexr 8067 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | rexr 8067 |
. . 3
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3 | elicc1 9993 |
. . 3
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4 | 1, 2, 3 | syl2an 289 |
. 2
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5 | mnfxr 8078 |
. . . . . . . 8
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6 | 5 | a1i 9 |
. . . . . . 7
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7 | 1 | ad2antrr 488 |
. . . . . . 7
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8 | simpr1 1005 |
. . . . . . 7
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9 | mnflt 9852 |
. . . . . . . 8
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10 | 9 | ad2antrr 488 |
. . . . . . 7
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11 | simpr2 1006 |
. . . . . . 7
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12 | 6, 7, 8, 10, 11 | xrltletrd 9880 |
. . . . . 6
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13 | 2 | ad2antlr 489 |
. . . . . . 7
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14 | pnfxr 8074 |
. . . . . . . 8
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15 | 14 | a1i 9 |
. . . . . . 7
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16 | simpr3 1007 |
. . . . . . 7
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17 | ltpnf 9849 |
. . . . . . . 8
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18 | 17 | ad2antlr 489 |
. . . . . . 7
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19 | 8, 13, 15, 16, 18 | xrlelttrd 9879 |
. . . . . 6
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20 | xrrebnd 9888 |
. . . . . . 7
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21 | 8, 20 | syl 14 |
. . . . . 6
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22 | 12, 19, 21 | mpbir2and 946 |
. . . . 5
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23 | 22, 11, 16 | 3jca 1179 |
. . . 4
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24 | 23 | ex 115 |
. . 3
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25 | rexr 8067 |
. . . 4
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26 | 25 | 3anim1i 1187 |
. . 3
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27 | 24, 26 | impbid1 142 |
. 2
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28 | 4, 27 | bitrd 188 |
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-in1 615 ax-in2 616 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-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-cnex 7965 ax-resscn 7966 ax-pre-ltirr 7986 ax-pre-ltwlin 7987 ax-pre-lttrn 7988 |
This theorem depends on definitions: df-bi 117 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2987 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-id 4325 df-po 4328 df-iso 4329 df-xp 4666 df-rel 4667 df-cnv 4668 df-co 4669 df-dm 4670 df-iota 5216 df-fun 5257 df-fv 5263 df-ov 5922 df-oprab 5923 df-mpo 5924 df-pnf 8058 df-mnf 8059 df-xr 8060 df-ltxr 8061 df-le 8062 df-icc 9964 |
This theorem is referenced by: elicc2i 10008 iccssre 10024 iccsupr 10035 iccneg 10058 iccshftr 10063 iccshftl 10065 iccdil 10067 icccntr 10069 iccf1o 10073 suplociccreex 14803 suplociccex 14804 ivthinclemlopn 14815 ivthinclemuopn 14817 |
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