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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 4134 | . 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 1537 ∪ cun 3936 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-v 3498 df-un 3943 |
This theorem is referenced by: ifeq1 4473 preq1 4671 tpeq1 4680 tpeq2 4681 tpprceq3 4739 iunxdif3 5019 iununi 5023 resasplit 6550 fresaunres2 6552 fmptpr 6936 funresdfunsn 6953 ressuppssdif 7853 sbthlem5 8633 fodomr 8670 domunfican 8793 brwdom2 9039 ackbij1lem2 9645 ttukeylem3 9935 snunioo 12867 snunioc 12869 prunioo 12870 fzpred 12958 fseq1p1m1 12984 nn0split 13025 fz0sn0fz1 13027 fzo0sn0fzo1 13129 fzosplitpr 13149 s2prop 14271 s4prop 14274 fsum1p 15110 fprod1p 15324 setsval 16515 setsabs 16528 setscom 16529 prdsval 16730 prdsdsval 16753 prdsdsval2 16759 prdsdsval3 16760 mreexexlem3d 16919 mreexexlem4d 16920 estrres 17391 symg2bas 18523 symgvalstruct 18527 evlseu 20298 ordtuni 21800 lfinun 22135 alexsubALTlem3 22659 ustssco 22825 trust 22840 ressprdsds 22983 xpsdsval 22993 nulmbl2 24139 uniioombllem3 24188 uniioombllem4 24189 plyeq0 24803 plyaddlem1 24805 plymullem1 24806 fta1lem 24898 vieta1lem2 24902 birthdaylem2 25532 edglnl 26930 iuninc 30314 pmtrcnel2 30736 tocycval 30752 cycpmco2rn 30769 difelcarsg 31570 actfunsnf1o 31877 reprsuc 31888 breprexplema 31903 bnj1416 32313 mclsval 32812 mclsax 32818 rankung 33629 topjoin 33715 bj-tageq 34290 finixpnum 34879 poimirlem3 34897 poimirlem4 34898 poimirlem6 34900 poimirlem7 34901 poimirlem9 34903 poimirlem16 34910 poimirlem17 34911 poimirlem28 34922 mblfinlem2 34932 islshpsm 36118 lshpnel2N 36123 lkrlsp3 36242 pclfinclN 37088 dochsatshp 38589 mapfzcons1 39321 iunrelexp0 40054 isotone1 40405 fiiuncl 41334 nnsplit 41633 fourierdlem32 42431 fzopred 43529 fzopredsuc 43530 aacllem 44909 |
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