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| Mirrors > Home > ILE Home > Th. List > nfralxy | GIF version | ||
| Description: Old name for nfralw 2567. (Contributed by Jim Kingdon, 30-May-2018.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| nfralxy.1 | ⊢ Ⅎ𝑥𝐴 |
| nfralxy.2 | ⊢ Ⅎ𝑥𝜑 |
| Ref | Expression |
|---|---|
| nfralxy | ⊢ Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nftru 1512 | . . 3 ⊢ Ⅎ𝑦⊤ | |
| 2 | nfralxy.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | 2 | a1i 9 | . . 3 ⊢ (⊤ → Ⅎ𝑥𝐴) |
| 4 | nfralxy.2 | . . . 4 ⊢ Ⅎ𝑥𝜑 | |
| 5 | 4 | a1i 9 | . . 3 ⊢ (⊤ → Ⅎ𝑥𝜑) |
| 6 | 1, 3, 5 | nfraldxy 2563 | . 2 ⊢ (⊤ → Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑) |
| 7 | 6 | mptru 1404 | 1 ⊢ Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑 |
| Colors of variables: wff set class |
| Syntax hints: ⊤wtru 1396 Ⅎwnf 1506 Ⅎwnfc 2359 ∀wral 2508 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-4 1556 ax-17 1572 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 |
| This theorem is referenced by: nfra2xy 2572 rspc2 2918 sbcralt 3105 sbcralg 3107 raaanlem 3596 nfint 3933 nfiinxy 3992 nfpo 4392 nfso 4393 nfse 4432 nffrfor 4439 nfwe 4446 ralxpf 4868 funimaexglem 5404 fun11iun 5595 dff13f 5900 nfiso 5936 mpoeq123 6069 nfofr 6231 fmpox 6352 nfrecs 6459 xpf1o 7013 ac6sfi 7068 ismkvnex 7333 lble 9105 fzrevral 10313 nfsum1 11883 nfsum 11884 fsum2dlemstep 11961 fisumcom2 11965 nfcprod1 12081 nfcprod 12082 bezoutlemmain 12535 cnmpt21 14981 setindis 16413 bdsetindis 16415 strcollnfALT 16432 isomninnlem 16486 iswomninnlem 16505 ismkvnnlem 16508 |
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