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| Description: Corollary to the intermediate value theorem. (Contributed by Paul Chapman, 18-Oct-2007.) |
| Ref | Expression |
|---|---|
| ivthOLD.1 |
|
| ivthOLD.2 |
|
| ivthOLD.3 |
|
| ivthOLD.4 |
|
| ivthOLD.5 |
|
| ivthOLD.6 |
|
| ivth2OLD.7 |
|
| ivth2OLD.8 |
|
| ivth2OLD.9 |
|
| Ref | Expression |
|---|---|
| ivth2OLD |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ivthOLD.1 |
. . 3
| |
| 2 | ivthOLD.2 |
. . 3
| |
| 3 | ivthOLD.3 |
. . 3
| |
| 4 | ivthOLD.4 |
. . 3
| |
| 5 | ivthOLD.5 |
. . . 4
| |
| 6 | 1 | leid 5584 |
. . . . . . . 8
|
| 7 | 1, 2, 4 | ltlei 5554 |
. . . . . . . 8
|
| 8 | elicc2t 6324 |
. . . . . . . . . 10
| |
| 9 | 1, 2, 8 | mp2an 695 |
. . . . . . . . 9
|
| 10 | 9 | biimpr 152 |
. . . . . . . 8
|
| 11 | 1, 6, 7, 10 | mp3an 913 |
. . . . . . 7
|
| 12 | fvres 3719 |
. . . . . . 7
| |
| 13 | 11, 12 | ax-mp 7 |
. . . . . 6
|
| 14 | 13 | breq1i 2616 |
. . . . 5
|
| 15 | 2 | leid 5584 |
. . . . . . . 8
|
| 16 | elicc2t 6324 |
. . . . . . . . . 10
| |
| 17 | 1, 2, 16 | mp2an 695 |
. . . . . . . . 9
|
| 18 | 17 | biimpr 152 |
. . . . . . . 8
|
| 19 | 2, 7, 15, 18 | mp3an 913 |
. . . . . . 7
|
| 20 | fvres 3719 |
. . . . . . 7
| |
| 21 | 19, 20 | ax-mp 7 |
. . . . . 6
|
| 22 | 21 | breq2i 2617 |
. . . . 5
|
| 23 | 14, 22 | anbi12i 481 |
. . . 4
|
| 24 | 5, 23 | mpbir 190 |
. . 3
|
| 25 | ivthOLD.6 |
. . . 4
| |
| 26 | fvres 3719 |
. . . . . . 7
| |
| 27 | 26 | breq1d 2619 |
. . . . . 6
|
| 28 | 27 | rabbii 1796 |
. . . . 5
|
| 29 | supeq1 4549 |
. . . . 5
| |
| 30 | 28, 29 | ax-mp 7 |
. . . 4
|
| 31 | 25, 30 | eqtr4 1490 |
. . 3
|
| 32 | ivth2OLD.7 |
. . . . 5
| |
| 33 | ivth2OLD.8 |
. . . . 5
| |
| 34 | rescncf 7207 |
. . . . 5
| |
| 35 | 32, 33, 34 | mp2 43 |
. . . 4
|
| 36 | elicc2t 6324 |
. . . . . . . . . . 11
| |
| 37 | 1, 2, 36 | mp2an 695 |
. . . . . . . . . 10
|
| 38 | 37 | biimp 151 |
. . . . . . . . 9
|
| 39 | 38 | 3simp1d 792 |
. . . . . . . 8
|
| 40 | 39 | ssriv 2059 |
. . . . . . 7
|
| 41 | axresscn 5240 |
. . . . . . 7
| |
| 42 | 40, 41 | sstri 2063 |
. . . . . 6
|
| 43 | 32 | 3simp2i 790 |
. . . . . 6
|
| 44 | 42, 43, 41 | 3pm3.2i 816 |
. . . . 5
|
| 45 | ivth2OLD.9 |
. . . . . 6
| |
| 46 | fvres 3719 |
. . . . . . . 8
| |
| 47 | 46 | eleq1d 1532 |
. . . . . . 7
|
| 48 | 47 | ralbiia 1665 |
. . . . . 6
|
| 49 | 45, 48 | mpbir 190 |
. . . . 5
|
| 50 | cncffvrn 7208 |
. . . . 5
| |
| 51 | 44, 49, 50 | mp2an 695 |
. . . 4
|
| 52 | 35, 51 | ax-mp 7 |
. . 3
|
| 53 | 1, 2, 3, 4, 24, 31, 52 | ivthOLD 7233 |
. 2
|
| 54 | ioossicc 6330 |
. . . . . 6
| |
| 55 | 53 | pm3.26i 320 |
. . . . . 6
|
| 56 | 54, 55 | sselii 2056 |
. . . . 5
|
| 57 | fvres 3719 |
. . . . 5
| |
| 58 | 56, 57 | ax-mp 7 |
. . . 4
|
| 59 | 58 | eqeq1i 1474 |
. . 3
|
| 60 | 59 | anbi2i 479 |
. 2
|
| 61 | 53, 60 | mpbi 189 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: reeff1olem1OLD 7366 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-inf2 4597 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-nel 1580 df-ral 1641 df-rex 1642 df-reu 1643 df-rab 1644 df-v 1803 df-sbc 1932 df-csb 1992 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-pss 2045 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f 3184 df-f1 3185 df-fo 3186 df-f1o 3187 df-fv 3188 df-rdg 3917 df-opr 3950 df-oprab 3951 df-1st 4063 df-2nd 4064 df-1o 4117 df-oadd 4119 df-omul 4120 df-er 4245 df-ec 4247 df-qs 4250 df-en 4351 df-dom 4352 df-sdom 4353 df-sup 4548 df-ni 4972 df-pli 4973 df-mi 4974 df-lti 4975 df-plpq 5007 df-mpq 5008 df-enq 5009 df-nq 5010 df-plq 5011 df-mq 5012 df-rq 5013 df-ltq 5014 df-1q 5015 df-np 5058 df-1p 5059 df-plp 5060 df-mp 5061 df-ltp 5062 df-plpr 5136 df-mpr 5137 df-enr 5138 df-nr 5139 df-plr 5140 df-mr 5141 df-ltr 5142 df-0r 5143 df-1r 5144 df-m1r 5145 df-c 5212 df-0 5213 df-1 5214 df-i 5215 df-r 5216 df-plus 5217 df-mul 5218 df-lt 5219 df-sub 5328 df-neg 5330 df-pnf 5459 df-mnf 5460 df-xr 5461 df-ltxr 5462 df-le 5463 df-div 5672 df-n 5873 df-2 5917 df-n0 6047 df-z 6083 df-q 6194 df-rp 6219 df-seq1 6245 df-ioo 6298 df-icc 6301 df-exp 6501 df-sqr 6600 df-re 6682 df-im 6683 df-cj 6684 df-abs 6685 df-cncf 7198 |