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Mirrors > Home > MPE Home > Th. List > op2ndd | Structured version Visualization version GIF version |
Description: Extract the second member of an ordered pair. (Contributed by Mario Carneiro, 31-Aug-2015.) |
Ref | Expression |
---|---|
op1st.1 | ⊢ 𝐴 ∈ V |
op1st.2 | ⊢ 𝐵 ∈ V |
Ref | Expression |
---|---|
op2ndd | ⊢ (𝐶 = 〈𝐴, 𝐵〉 → (2nd ‘𝐶) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 6847 | . 2 ⊢ (𝐶 = 〈𝐴, 𝐵〉 → (2nd ‘𝐶) = (2nd ‘〈𝐴, 𝐵〉)) | |
2 | op1st.1 | . . 3 ⊢ 𝐴 ∈ V | |
3 | op1st.2 | . . 3 ⊢ 𝐵 ∈ V | |
4 | 2, 3 | op2nd 7935 | . 2 ⊢ (2nd ‘〈𝐴, 𝐵〉) = 𝐵 |
5 | 1, 4 | eqtrdi 2787 | 1 ⊢ (𝐶 = 〈𝐴, 𝐵〉 → (2nd ‘𝐶) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2106 Vcvv 3446 〈cop 4597 ‘cfv 6501 2nd c2nd 7925 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pr 5389 ax-un 7677 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-iota 6453 df-fun 6503 df-fv 6509 df-2nd 7927 |
This theorem is referenced by: 2nd2val 7955 xp2nd 7959 sbcopeq1a 7986 csbopeq1a 7987 eloprabi 8000 mpomptsx 8001 dmmpossx 8003 fmpox 8004 ovmptss 8030 fmpoco 8032 df2nd2 8036 frxp 8063 xporderlem 8064 fnwelem 8068 fimaproj 8072 xpord2lem 8079 naddcllem 8627 xpf1o 9090 mapunen 9097 xpwdomg 9530 hsmexlem2 10372 nqereu 10874 uzrdgfni 13873 fsumcom2 15670 fprodcom2 15878 qredeu 16545 comfeq 17600 isfuncd 17765 cofucl 17788 funcres2b 17797 funcpropd 17801 xpcco2nd 18087 xpccatid 18090 1stf2 18095 2ndf2 18098 1stfcl 18099 2ndfcl 18100 prf2fval 18103 prfcl 18105 evlf2 18121 evlfcl 18125 curf12 18130 curf1cl 18131 curf2 18132 curfcl 18135 hof2fval 18158 hofcl 18162 txbas 22955 cnmpt2nd 23057 txhmeo 23191 ptuncnv 23195 ptunhmeo 23196 xpstopnlem1 23197 xkohmeo 23203 prdstmdd 23512 ucnimalem 23669 fmucndlem 23680 fsum2cn 24271 ovoliunlem1 24903 2sqreuop 26847 2sqreuopnn 26848 2sqreuoplt 26849 2sqreuopltb 26850 2sqreuopnnlt 26851 2sqreuopnnltb 26852 wlkl0 29374 fcnvgreu 31656 fsumiunle 31795 gsummpt2co 31960 gsumhashmul 31968 esumiun 32782 eulerpartlemgs2 33069 hgt750lemb 33358 satfv1 34044 satefvfmla0 34099 msubrsub 34207 msubco 34212 msubvrs 34241 filnetlem4 34929 finixpnum 36136 poimirlem4 36155 poimirlem15 36166 poimirlem20 36171 poimirlem26 36177 heicant 36186 heiborlem4 36346 heiborlem6 36348 dicelvalN 39714 aks6d1c2p1 40621 rmxypairf1o 41293 unxpwdom3 41480 fgraphxp 41596 elcnvlem 41995 dvnprodlem2 44308 etransclem46 44641 ovnsubaddlem1 44931 uspgrsprf 46168 uspgrsprf1 46169 dmmpossx2 46532 lmod1zr 46694 2arymaptf 46858 rrx2plordisom 46929 funcf2lem 47158 |
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