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| Mirrors > Home > MPE Home > Th. List > mpoeq3ia | Structured version Visualization version GIF version | ||
| Description: An equality inference for the maps-to notation. (Contributed by Mario Carneiro, 16-Dec-2013.) |
| Ref | Expression |
|---|---|
| mpoeq3ia.1 | ⊢ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝐶 = 𝐷) |
| Ref | Expression |
|---|---|
| mpoeq3ia | ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpoeq3ia.1 | . . . 4 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝐶 = 𝐷) | |
| 2 | 1 | 3adant1 1146 | . . 3 ⊢ ((⊤ ∧ 𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝐶 = 𝐷) |
| 3 | 2 | mpoeq3dva 7488 | . 2 ⊢ (⊤ → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐷)) |
| 4 | 3 | mptru 1574 | 1 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐷) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ⊤wtru 1568 ∈ wcel 2149 ∈ cmpo 7413 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-3an 1103 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-oprab 7415 df-mpo 7416 |
| This theorem is referenced by: mpodifsnif 7526 mposnif 7527 oprab2co 8092 cnfcomlem 9668 cnfcom2 9671 dfioo2 13477 elovmpowrd 14595 sadcom 16521 comfffval2 17757 oppchomf 17776 symgga 19477 oppglsm 19712 dfrhm2 20556 cnfldsub 21519 cnflddiv 21521 mat0op 22545 mattpos1 22582 mdetunilem7 22744 madufval 22763 maducoeval2 22766 madugsum 22769 mp2pm2mplem5 22936 mp2pm2mp 22937 leordtval 23339 xpstopnlem1 23935 divcn 24996 oprpiece1res1 25079 oprpiece1res2 25080 ehl1eudis 25548 ehl2eudis 25550 cxpcn 26876 cnnvm 30975 issply 33896 mdetpmtr2 34159 madjusmdetlem1 34162 cnre2csqima 34246 mndpluscn 34261 raddcn 34264 icorempo 37885 matunitlindflem1 38155 mendplusgfval 43800 hoidmv1le 47200 hspdifhsp 47222 vonn0ioo 47293 vonn0icc 47294 dflinc2 49075 cofuoppf 49813 dfswapf2 49924 diag1a 49968 funcsetc1o 50160 |
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