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Mirrors > Home > MPE Home > Th. List > elixp | Structured version Visualization version GIF version |
Description: Membership in an infinite Cartesian product. (Contributed by NM, 28-Sep-2006.) |
Ref | Expression |
---|---|
elixp.1 | ⊢ 𝐹 ∈ V |
Ref | Expression |
---|---|
elixp | ⊢ (𝐹 ∈ X𝑥 ∈ 𝐴 𝐵 ↔ (𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elixp2 8459 | . 2 ⊢ (𝐹 ∈ X𝑥 ∈ 𝐴 𝐵 ↔ (𝐹 ∈ V ∧ 𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵)) | |
2 | elixp.1 | . . 3 ⊢ 𝐹 ∈ V | |
3 | 3anass 1091 | . . 3 ⊢ ((𝐹 ∈ V ∧ 𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵) ↔ (𝐹 ∈ V ∧ (𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵))) | |
4 | 2, 3 | mpbiran 707 | . 2 ⊢ ((𝐹 ∈ V ∧ 𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵) ↔ (𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵)) |
5 | 1, 4 | bitri 277 | 1 ⊢ (𝐹 ∈ X𝑥 ∈ 𝐴 𝐵 ↔ (𝐹 Fn 𝐴 ∧ ∀𝑥 ∈ 𝐴 (𝐹‘𝑥) ∈ 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ∧ wa 398 ∧ w3a 1083 ∈ wcel 2110 ∀wral 3138 Vcvv 3494 Fn wfn 6344 ‘cfv 6349 Xcixp 8455 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-iota 6308 df-fun 6351 df-fn 6352 df-fv 6357 df-ixp 8456 |
This theorem is referenced by: elixpconst 8463 ixpin 8481 ixpiin 8482 resixpfo 8494 elixpsn 8495 boxriin 8498 boxcutc 8499 ixpfi2 8816 ixpiunwdom 9049 dfac9 9556 ac9 9899 ac9s 9909 konigthlem 9984 cofucl 17152 yonedalem3 17524 psrbaglefi 20146 ptpjpre1 22173 ptpjcn 22213 ptpjopn 22214 ptclsg 22217 dfac14 22220 pthaus 22240 xkopt 22257 ptcmplem2 22655 ptcmplem3 22656 ptcmplem4 22657 prdsbl 23095 prdsxmslem2 23133 eulerpartlemb 31621 ptpconn 32475 finixpnum 34871 ptrest 34885 poimirlem29 34915 poimirlem30 34916 inixp 34997 prdstotbnd 35066 ioorrnopnlem 42583 hoicvr 42824 hoidmvlelem3 42873 hspdifhsp 42892 hspmbllem2 42903 |
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