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| Mirrors > Home > ILE Home > Th. List > fimaxre2 | Unicode version | ||
| Description: A nonempty finite set of real numbers has an upper bound. (Contributed by Jeff Madsen, 27-May-2011.) (Revised by Mario Carneiro, 13-Feb-2014.) | 
| Ref | Expression | 
|---|---|
| fimaxre2 | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | sseq1 3206 | 
. . . 4
 | |
| 2 | raleq 2693 | 
. . . . 5
 | |
| 3 | 2 | rexbidv 2498 | 
. . . 4
 | 
| 4 | 1, 3 | imbi12d 234 | 
. . 3
 | 
| 5 | sseq1 3206 | 
. . . 4
 | |
| 6 | raleq 2693 | 
. . . . 5
 | |
| 7 | 6 | rexbidv 2498 | 
. . . 4
 | 
| 8 | 5, 7 | imbi12d 234 | 
. . 3
 | 
| 9 | sseq1 3206 | 
. . . 4
 | |
| 10 | raleq 2693 | 
. . . . 5
 | |
| 11 | 10 | rexbidv 2498 | 
. . . 4
 | 
| 12 | 9, 11 | imbi12d 234 | 
. . 3
 | 
| 13 | sseq1 3206 | 
. . . 4
 | |
| 14 | raleq 2693 | 
. . . . 5
 | |
| 15 | 14 | rexbidv 2498 | 
. . . 4
 | 
| 16 | 13, 15 | imbi12d 234 | 
. . 3
 | 
| 17 | 0re 8026 | 
. . . . 5
 | |
| 18 | ral0 3552 | 
. . . . 5
 | |
| 19 | breq2 4037 | 
. . . . . . 7
 | |
| 20 | 19 | ralbidv 2497 | 
. . . . . 6
 | 
| 21 | 20 | rspcev 2868 | 
. . . . 5
 | 
| 22 | 17, 18, 21 | mp2an 426 | 
. . . 4
 | 
| 23 | 22 | a1i 9 | 
. . 3
 | 
| 24 | unss 3337 | 
. . . . . . . . . 10
 | |
| 25 | 24 | biimpri 133 | 
. . . . . . . . 9
 | 
| 26 | 25 | simpld 112 | 
. . . . . . . 8
 | 
| 27 | 26 | adantl 277 | 
. . . . . . 7
 | 
| 28 | simplr 528 | 
. . . . . . 7
 | |
| 29 | 27, 28 | mpd 13 | 
. . . . . 6
 | 
| 30 | breq2 4037 | 
. . . . . . . 8
 | |
| 31 | 30 | ralbidv 2497 | 
. . . . . . 7
 | 
| 32 | 31 | cbvrexv 2730 | 
. . . . . 6
 | 
| 33 | 29, 32 | sylib 122 | 
. . . . 5
 | 
| 34 | simprl 529 | 
. . . . . . 7
 | |
| 35 | 25 | simprd 114 | 
. . . . . . . . 9
 | 
| 36 | vex 2766 | 
. . . . . . . . . 10
 | |
| 37 | 36 | snss 3757 | 
. . . . . . . . 9
 | 
| 38 | 35, 37 | sylibr 134 | 
. . . . . . . 8
 | 
| 39 | 38 | ad2antlr 489 | 
. . . . . . 7
 | 
| 40 | maxcl 11375 | 
. . . . . . 7
 | |
| 41 | 34, 39, 40 | syl2anc 411 | 
. . . . . 6
 | 
| 42 | nfv 1542 | 
. . . . . . . . . . 11
 | |
| 43 | nfv 1542 | 
. . . . . . . . . . . 12
 | |
| 44 | nfcv 2339 | 
. . . . . . . . . . . . 13
 | |
| 45 | nfra1 2528 | 
. . . . . . . . . . . . 13
 | |
| 46 | 44, 45 | nfrexw 2536 | 
. . . . . . . . . . . 12
 | 
| 47 | 43, 46 | nfim 1586 | 
. . . . . . . . . . 11
 | 
| 48 | 42, 47 | nfan 1579 | 
. . . . . . . . . 10
 | 
| 49 | nfv 1542 | 
. . . . . . . . . 10
 | |
| 50 | 48, 49 | nfan 1579 | 
. . . . . . . . 9
 | 
| 51 | nfv 1542 | 
. . . . . . . . . 10
 | |
| 52 | nfra1 2528 | 
. . . . . . . . . 10
 | |
| 53 | 51, 52 | nfan 1579 | 
. . . . . . . . 9
 | 
| 54 | 50, 53 | nfan 1579 | 
. . . . . . . 8
 | 
| 55 | simprr 531 | 
. . . . . . . . . . . 12
 | |
| 56 | maxle1 11376 | 
. . . . . . . . . . . . 13
 | |
| 57 | 34, 39, 56 | syl2anc 411 | 
. . . . . . . . . . . 12
 | 
| 58 | r19.27av 2632 | 
. . . . . . . . . . . 12
 | |
| 59 | 55, 57, 58 | syl2anc 411 | 
. . . . . . . . . . 11
 | 
| 60 | 59 | r19.21bi 2585 | 
. . . . . . . . . 10
 | 
| 61 | 27 | ad2antrr 488 | 
. . . . . . . . . . . 12
 | 
| 62 | simpr 110 | 
. . . . . . . . . . . 12
 | |
| 63 | 61, 62 | sseldd 3184 | 
. . . . . . . . . . 11
 | 
| 64 | 34 | adantr 276 | 
. . . . . . . . . . 11
 | 
| 65 | 41 | adantr 276 | 
. . . . . . . . . . 11
 | 
| 66 | letr 8109 | 
. . . . . . . . . . 11
 | |
| 67 | 63, 64, 65, 66 | syl3anc 1249 | 
. . . . . . . . . 10
 | 
| 68 | 60, 67 | mpd 13 | 
. . . . . . . . 9
 | 
| 69 | 68 | ex 115 | 
. . . . . . . 8
 | 
| 70 | 54, 69 | ralrimi 2568 | 
. . . . . . 7
 | 
| 71 | maxle2 11377 | 
. . . . . . . . 9
 | |
| 72 | 34, 39, 71 | syl2anc 411 | 
. . . . . . . 8
 | 
| 73 | breq1 4036 | 
. . . . . . . . . 10
 | |
| 74 | 73 | ralsng 3662 | 
. . . . . . . . 9
 | 
| 75 | 39, 74 | syl 14 | 
. . . . . . . 8
 | 
| 76 | 72, 75 | mpbird 167 | 
. . . . . . 7
 | 
| 77 | ralun 3345 | 
. . . . . . 7
 | |
| 78 | 70, 76, 77 | syl2anc 411 | 
. . . . . 6
 | 
| 79 | breq2 4037 | 
. . . . . . . 8
 | |
| 80 | 79 | ralbidv 2497 | 
. . . . . . 7
 | 
| 81 | 80 | rspcev 2868 | 
. . . . . 6
 | 
| 82 | 41, 78, 81 | syl2anc 411 | 
. . . . 5
 | 
| 83 | 33, 82 | rexlimddv 2619 | 
. . . 4
 | 
| 84 | 83 | exp31 364 | 
. . 3
 | 
| 85 | 4, 8, 12, 16, 23, 84 | findcard2 6950 | 
. 2
 | 
| 86 | 85 | impcom 125 | 
1
 | 
| 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 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-nul 4159 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-iinf 4624 ax-cnex 7970 ax-resscn 7971 ax-1cn 7972 ax-1re 7973 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-mulrcl 7978 ax-addcom 7979 ax-mulcom 7980 ax-addass 7981 ax-mulass 7982 ax-distr 7983 ax-i2m1 7984 ax-0lt1 7985 ax-1rid 7986 ax-0id 7987 ax-rnegex 7988 ax-precex 7989 ax-cnre 7990 ax-pre-ltirr 7991 ax-pre-ltwlin 7992 ax-pre-lttrn 7993 ax-pre-apti 7994 ax-pre-ltadd 7995 ax-pre-mulgt0 7996 ax-pre-mulext 7997 ax-arch 7998 ax-caucvg 7999 | 
| This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-reu 2482 df-rmo 2483 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-if 3562 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-tr 4132 df-id 4328 df-po 4331 df-iso 4332 df-iord 4401 df-on 4403 df-ilim 4404 df-suc 4406 df-iom 4627 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 df-recs 6363 df-frec 6449 df-er 6592 df-en 6800 df-fin 6802 df-sup 7050 df-pnf 8063 df-mnf 8064 df-xr 8065 df-ltxr 8066 df-le 8067 df-sub 8199 df-neg 8200 df-reap 8602 df-ap 8609 df-div 8700 df-inn 8991 df-2 9049 df-3 9050 df-4 9051 df-n0 9250 df-z 9327 df-uz 9602 df-rp 9729 df-seqfrec 10540 df-exp 10631 df-cj 11007 df-re 11008 df-im 11009 df-rsqrt 11163 df-abs 11164 | 
| This theorem is referenced by: fsum3cvg3 11561 | 
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