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| Mirrors > Home > MPE Home > Th. List > dfii2 | Structured version Visualization version GIF version | ||
| Description: Alternate definition of the unit interval. (Contributed by Jeff Madsen, 2-Sep-2009.) |
| Ref | Expression |
|---|---|
| dfii2 | ⊢ II = ((topGen‘ran (,)) ↾t (0[,]1)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | unitssre 13544 | . 2 ⊢ (0[,]1) ⊆ ℝ | |
| 2 | eqid 2766 | . . 3 ⊢ (topGen‘ran (,)) = (topGen‘ran (,)) | |
| 3 | df-ii 25073 | . . 3 ⊢ II = (MetOpen‘((abs ∘ − ) ↾ ((0[,]1) × (0[,]1)))) | |
| 4 | 2, 3 | resubmet 24996 | . 2 ⊢ ((0[,]1) ⊆ ℝ → II = ((topGen‘ran (,)) ↾t (0[,]1))) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ II = ((topGen‘ran (,)) ↾t (0[,]1)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ⊆ wss 3908 ran crn 5667 ‘cfv 6543 (class class class)co 7423 ℝcr 11117 0cc0 11118 1c1 11119 (,)cioo 13390 [,]cicc 13393 ↾t crest 17498 topGenctg 17515 IIcii 25071 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 ax-cnex 11174 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-addrcl 11179 ax-mulcl 11180 ax-mulrcl 11181 ax-mulcom 11182 ax-addass 11183 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1ne0 11187 ax-1rid 11188 ax-rnegex 11189 ax-rrecex 11190 ax-cnre 11191 ax-pre-lttri 11192 ax-pre-lttrn 11193 ax-pre-ltadd 11194 ax-pre-mulgt0 11195 ax-pre-sup 11196 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-nel 3068 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-om 7872 df-1st 7995 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-er 8703 df-map 8835 df-en 8953 df-dom 8954 df-sdom 8955 df-sup 9412 df-inf 9413 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11461 df-neg 11462 df-div 11890 df-nn 12252 df-2 12321 df-3 12322 df-n0 12523 df-z 12610 df-uz 12881 df-q 12991 df-rp 13035 df-xneg 13155 df-xadd 13156 df-xmul 13157 df-ioo 13394 df-icc 13397 df-seq 14058 df-exp 14118 df-cj 15176 df-re 15177 df-im 15178 df-sqrt 15312 df-abs 15313 df-rest 17500 df-topgen 17521 df-psmet 21551 df-xmet 21552 df-met 21553 df-bl 21554 df-mopn 21555 df-top 23088 df-topon 23105 df-bases 23140 df-ii 25073 |
| This theorem is used by: dfii5 25081 iicmp 25082 iiconn 25083 iirevcn 25126 iihalf1cn 25128 iihalf2cn 25130 htpycc 25176 pcocn 25213 pcohtpylem 25215 pcopt 25218 pcopt2 25219 pcoass 25220 pcorevlem 25222 iisconn 35764 iillysconn 35765 cvmliftlem8 35804 cvmliftlem11 35807 poimirlem30 38341 iooii 49736 i0oii 49738 io1ii 49739 |
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