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Mirrors > Home > MPE Home > Th. List > uneq1d | Structured version Visualization version GIF version |
Description: Deduction adding union to the right in a class equality. (Contributed by NM, 29-Mar-1998.) |
Ref | Expression |
---|---|
uneq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
uneq1d | ⊢ (𝜑 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uneq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | uneq1 4083 | . 2 ⊢ (𝐴 = 𝐵 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (𝐴 ∪ 𝐶) = (𝐵 ∪ 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∪ cun 3879 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-un 3886 |
This theorem is referenced by: ifeq1 4429 preq1 4629 tpeq1 4638 tpeq2 4639 tpprceq3 4697 iunxdif3 4980 iununi 4984 resasplit 6522 fresaunres2 6524 fmptpr 6911 funresdfunsn 6928 ressuppssdif 7834 sbthlem5 8615 fodomr 8652 domunfican 8775 brwdom2 9021 ackbij1lem2 9632 ttukeylem3 9922 snunioo 12856 snunioc 12858 prunioo 12859 fzpred 12950 fseq1p1m1 12976 nn0split 13017 fz0sn0fz1 13019 fzo0sn0fzo1 13121 fzosplitpr 13141 s2prop 14260 s4prop 14263 fsum1p 15100 fprod1p 15314 setsval 16505 setsabs 16518 setscom 16519 prdsval 16720 prdsdsval 16743 prdsdsval2 16749 prdsdsval3 16750 mreexexlem3d 16909 mreexexlem4d 16910 estrres 17381 symg2bas 18513 symgvalstruct 18517 evlseu 20755 ordtuni 21795 lfinun 22130 alexsubALTlem3 22654 ustssco 22820 trust 22835 ressprdsds 22978 xpsdsval 22988 nulmbl2 24140 uniioombllem3 24189 uniioombllem4 24190 plyeq0 24808 plyaddlem1 24810 plymullem1 24811 fta1lem 24903 vieta1lem2 24907 birthdaylem2 25538 edglnl 26936 iuninc 30324 pmtrcnel2 30784 tocycval 30800 cycpmco2rn 30817 difelcarsg 31678 actfunsnf1o 31985 reprsuc 31996 breprexplema 32011 bnj1416 32421 mclsval 32923 mclsax 32929 rankung 33740 topjoin 33826 bj-tageq 34412 finixpnum 35042 poimirlem3 35060 poimirlem4 35061 poimirlem6 35063 poimirlem7 35064 poimirlem9 35066 poimirlem16 35073 poimirlem17 35074 poimirlem28 35085 mblfinlem2 35095 islshpsm 36276 lshpnel2N 36281 lkrlsp3 36400 pclfinclN 37246 dochsatshp 38747 metakunt24 39373 mapfzcons1 39658 iunrelexp0 40403 isotone1 40751 fiiuncl 41699 nnsplit 41990 fourierdlem32 42781 fzopred 43879 fzopredsuc 43880 aacllem 45329 |
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