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Mirrors > Home > MPE Home > Th. List > qusbas | Structured version Visualization version GIF version |
Description: Base set of a quotient structure. (Contributed by Mario Carneiro, 23-Feb-2015.) |
Ref | Expression |
---|---|
qusbas.u | ⊢ (𝜑 → 𝑈 = (𝑅 /s ∼ )) |
qusbas.v | ⊢ (𝜑 → 𝑉 = (Base‘𝑅)) |
qusbas.e | ⊢ (𝜑 → ∼ ∈ 𝑊) |
qusbas.r | ⊢ (𝜑 → 𝑅 ∈ 𝑍) |
Ref | Expression |
---|---|
qusbas | ⊢ (𝜑 → (𝑉 / ∼ ) = (Base‘𝑈)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | qusbas.u | . . 3 ⊢ (𝜑 → 𝑈 = (𝑅 /s ∼ )) | |
2 | qusbas.v | . . 3 ⊢ (𝜑 → 𝑉 = (Base‘𝑅)) | |
3 | eqid 2736 | . . 3 ⊢ (𝑥 ∈ 𝑉 ↦ [𝑥] ∼ ) = (𝑥 ∈ 𝑉 ↦ [𝑥] ∼ ) | |
4 | qusbas.e | . . 3 ⊢ (𝜑 → ∼ ∈ 𝑊) | |
5 | qusbas.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ 𝑍) | |
6 | 1, 2, 3, 4, 5 | qusval 17350 | . 2 ⊢ (𝜑 → 𝑈 = ((𝑥 ∈ 𝑉 ↦ [𝑥] ∼ ) “s 𝑅)) |
7 | 1, 2, 3, 4, 5 | quslem 17351 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝑉 ↦ [𝑥] ∼ ):𝑉–onto→(𝑉 / ∼ )) |
8 | 6, 2, 7, 5 | imasbas 17320 | 1 ⊢ (𝜑 → (𝑉 / ∼ ) = (Base‘𝑈)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2105 ↦ cmpt 5175 ‘cfv 6479 (class class class)co 7337 [cec 8567 / cqs 8568 Basecbs 17009 /s cqus 17313 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-rep 5229 ax-sep 5243 ax-nul 5250 ax-pow 5308 ax-pr 5372 ax-un 7650 ax-cnex 11028 ax-resscn 11029 ax-1cn 11030 ax-icn 11031 ax-addcl 11032 ax-addrcl 11033 ax-mulcl 11034 ax-mulrcl 11035 ax-mulcom 11036 ax-addass 11037 ax-mulass 11038 ax-distr 11039 ax-i2m1 11040 ax-1ne0 11041 ax-1rid 11042 ax-rnegex 11043 ax-rrecex 11044 ax-cnre 11045 ax-pre-lttri 11046 ax-pre-lttrn 11047 ax-pre-ltadd 11048 ax-pre-mulgt0 11049 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3728 df-csb 3844 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3917 df-nul 4270 df-if 4474 df-pw 4549 df-sn 4574 df-pr 4576 df-tp 4578 df-op 4580 df-uni 4853 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5176 df-tr 5210 df-id 5518 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5575 df-we 5577 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6238 df-ord 6305 df-on 6306 df-lim 6307 df-suc 6308 df-iota 6431 df-fun 6481 df-fn 6482 df-f 6483 df-f1 6484 df-fo 6485 df-f1o 6486 df-fv 6487 df-riota 7293 df-ov 7340 df-oprab 7341 df-mpo 7342 df-om 7781 df-1st 7899 df-2nd 7900 df-frecs 8167 df-wrecs 8198 df-recs 8272 df-rdg 8311 df-1o 8367 df-er 8569 df-ec 8571 df-qs 8575 df-en 8805 df-dom 8806 df-sdom 8807 df-fin 8808 df-sup 9299 df-inf 9300 df-pnf 11112 df-mnf 11113 df-xr 11114 df-ltxr 11115 df-le 11116 df-sub 11308 df-neg 11309 df-nn 12075 df-2 12137 df-3 12138 df-4 12139 df-5 12140 df-6 12141 df-7 12142 df-8 12143 df-9 12144 df-n0 12335 df-z 12421 df-dec 12539 df-uz 12684 df-fz 13341 df-struct 16945 df-slot 16980 df-ndx 16992 df-base 17010 df-plusg 17072 df-mulr 17073 df-sca 17075 df-vsca 17076 df-ip 17077 df-tset 17078 df-ple 17079 df-ds 17081 df-imas 17316 df-qus 17317 |
This theorem is referenced by: quseccl 18908 frgpeccl 19462 frgpupf 19474 frgpup1 19476 frgpup3lem 19478 qusabl 19561 frgpnabllem2 19570 quscrng 20617 znbas 20857 qustgplem 23378 pi1bas 24307 qustriv 31856 qustrivr 31857 nsgqusf1olem1 31895 nsgqusf1olem2 31896 qsidomlem1 31925 qsidomlem2 31926 qusdimsum 32007 |
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