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| Mirrors > Home > ILE Home > Th. List > relogiso | Unicode version | ||
| Description: The natural logarithm function on positive reals determines an isomorphism from the positive reals onto the reals. (Contributed by Steve Rodriguez, 25-Nov-2007.) |
| Ref | Expression |
|---|---|
| relogiso |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reefiso 15530 |
. . 3
| |
| 2 | isocnv 5957 |
. . 3
| |
| 3 | 1, 2 | ax-mp 5 |
. 2
|
| 4 | dfrelog 15613 |
. . 3
| |
| 5 | isoeq1 5947 |
. . 3
| |
| 6 | 4, 5 | ax-mp 5 |
. 2
|
| 7 | 3, 6 | mpbir 146 |
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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-coll 4205 ax-sep 4208 ax-nul 4216 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 ax-iinf 4688 ax-cnex 8128 ax-resscn 8129 ax-1cn 8130 ax-1re 8131 ax-icn 8132 ax-addcl 8133 ax-addrcl 8134 ax-mulcl 8135 ax-mulrcl 8136 ax-addcom 8137 ax-mulcom 8138 ax-addass 8139 ax-mulass 8140 ax-distr 8141 ax-i2m1 8142 ax-0lt1 8143 ax-1rid 8144 ax-0id 8145 ax-rnegex 8146 ax-precex 8147 ax-cnre 8148 ax-pre-ltirr 8149 ax-pre-ltwlin 8150 ax-pre-lttrn 8151 ax-pre-apti 8152 ax-pre-ltadd 8153 ax-pre-mulgt0 8154 ax-pre-mulext 8155 ax-arch 8156 ax-caucvg 8157 ax-pre-suploc 8158 ax-addf 8159 ax-mulf 8160 |
| This theorem depends on definitions: df-bi 117 df-stab 838 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-nel 2497 df-ral 2514 df-rex 2515 df-reu 2516 df-rmo 2517 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-nul 3494 df-if 3605 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-iun 3973 df-disj 4066 df-br 4090 df-opab 4152 df-mpt 4153 df-tr 4189 df-id 4392 df-po 4395 df-iso 4396 df-iord 4465 df-on 4467 df-ilim 4468 df-suc 4470 df-iom 4691 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-f 5332 df-f1 5333 df-fo 5334 df-f1o 5335 df-fv 5336 df-isom 5337 df-riota 5976 df-ov 6026 df-oprab 6027 df-mpo 6028 df-of 6240 df-1st 6308 df-2nd 6309 df-recs 6476 df-irdg 6541 df-frec 6562 df-1o 6587 df-oadd 6591 df-er 6707 df-map 6824 df-pm 6825 df-en 6915 df-dom 6916 df-fin 6917 df-sup 7188 df-inf 7189 df-pnf 8221 df-mnf 8222 df-xr 8223 df-ltxr 8224 df-le 8225 df-sub 8357 df-neg 8358 df-reap 8760 df-ap 8767 df-div 8858 df-inn 9149 df-2 9207 df-3 9208 df-4 9209 df-n0 9408 df-z 9485 df-uz 9761 df-q 9859 df-rp 9894 df-xneg 10012 df-xadd 10013 df-ioo 10132 df-ico 10134 df-icc 10135 df-fz 10249 df-fzo 10383 df-seqfrec 10716 df-exp 10807 df-fac 10994 df-bc 11016 df-ihash 11044 df-shft 11398 df-cj 11425 df-re 11426 df-im 11427 df-rsqrt 11581 df-abs 11582 df-clim 11862 df-sumdc 11937 df-ef 12232 df-e 12233 df-rest 13347 df-topgen 13366 df-psmet 14581 df-xmet 14582 df-met 14583 df-bl 14584 df-mopn 14585 df-top 14751 df-topon 14764 df-bases 14796 df-ntr 14849 df-cn 14941 df-cnp 14942 df-tx 15006 df-cncf 15324 df-limced 15409 df-dvap 15410 df-relog 15611 |
| This theorem is referenced by: logltb 15627 |
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