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| Mirrors > Home > ILE Home > Th. List > xmeter | Unicode version | ||
| Description: The "finitely separated" relation is an equivalence relation. (Contributed by Mario Carneiro, 24-Aug-2015.) |
| Ref | Expression |
|---|---|
| xmeter.1 |
|
| Ref | Expression |
|---|---|
| xmeter |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xmeter.1 |
. . . . 5
| |
| 2 | cnvimass 5106 |
. . . . 5
| |
| 3 | 1, 2 | eqsstri 3260 |
. . . 4
|
| 4 | xmetf 15144 |
. . . 4
| |
| 5 | 3, 4 | fssdm 5504 |
. . 3
|
| 6 | relxp 4841 |
. . 3
| |
| 7 | relss 4819 |
. . 3
| |
| 8 | 5, 6, 7 | mpisyl 1492 |
. 2
|
| 9 | 1 | xmeterval 15229 |
. . . . 5
|
| 10 | 9 | biimpa 296 |
. . . 4
|
| 11 | 10 | simp2d 1037 |
. . 3
|
| 12 | 10 | simp1d 1036 |
. . 3
|
| 13 | simpl 109 |
. . . . 5
| |
| 14 | xmetsym 15162 |
. . . . 5
| |
| 15 | 13, 12, 11, 14 | syl3anc 1274 |
. . . 4
|
| 16 | 10 | simp3d 1038 |
. . . 4
|
| 17 | 15, 16 | eqeltrrd 2309 |
. . 3
|
| 18 | 1 | xmeterval 15229 |
. . . 4
|
| 19 | 18 | adantr 276 |
. . 3
|
| 20 | 11, 12, 17, 19 | mpbir3and 1207 |
. 2
|
| 21 | 12 | adantrr 479 |
. . 3
|
| 22 | 1 | xmeterval 15229 |
. . . . . 6
|
| 23 | 22 | biimpa 296 |
. . . . 5
|
| 24 | 23 | adantrl 478 |
. . . 4
|
| 25 | 24 | simp2d 1037 |
. . 3
|
| 26 | simpl 109 |
. . . 4
| |
| 27 | 16 | adantrr 479 |
. . . . 5
|
| 28 | 24 | simp3d 1038 |
. . . . 5
|
| 29 | rexadd 10131 |
. . . . . 6
| |
| 30 | readdcl 8201 |
. . . . . 6
| |
| 31 | 29, 30 | eqeltrd 2308 |
. . . . 5
|
| 32 | 27, 28, 31 | syl2anc 411 |
. . . 4
|
| 33 | 11 | adantrr 479 |
. . . . 5
|
| 34 | xmettri 15166 |
. . . . 5
| |
| 35 | 26, 21, 25, 33, 34 | syl13anc 1276 |
. . . 4
|
| 36 | xmetlecl 15161 |
. . . 4
| |
| 37 | 26, 21, 25, 32, 35, 36 | syl122anc 1283 |
. . 3
|
| 38 | 1 | xmeterval 15229 |
. . . 4
|
| 39 | 38 | adantr 276 |
. . 3
|
| 40 | 21, 25, 37, 39 | mpbir3and 1207 |
. 2
|
| 41 | xmet0 15157 |
. . . . . . 7
| |
| 42 | 0re 8222 |
. . . . . . 7
| |
| 43 | 41, 42 | eqeltrdi 2322 |
. . . . . 6
|
| 44 | 43 | ex 115 |
. . . . 5
|
| 45 | 44 | pm4.71rd 394 |
. . . 4
|
| 46 | df-3an 1007 |
. . . . 5
| |
| 47 | anidm 396 |
. . . . . 6
| |
| 48 | 47 | anbi2ci 459 |
. . . . 5
|
| 49 | 46, 48 | bitri 184 |
. . . 4
|
| 50 | 45, 49 | bitr4di 198 |
. . 3
|
| 51 | 1 | xmeterval 15229 |
. . 3
|
| 52 | 50, 51 | bitr4d 191 |
. 2
|
| 53 | 8, 20, 40, 52 | iserd 6771 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-ltwlin 8188 ax-pre-lttrn 8189 ax-pre-apti 8190 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-if 3608 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-po 4399 df-iso 4400 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-er 6745 df-map 6862 df-pnf 8258 df-mnf 8259 df-xr 8260 df-ltxr 8261 df-le 8262 df-sub 8394 df-neg 8395 df-2 9244 df-xadd 10052 df-xmet 14623 |
| This theorem is referenced by: blpnfctr 15233 xmetresbl 15234 |
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