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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 2919 sbcralt 3106 sbcralg 3108 raaanlem 3597 nfint 3936 nfiinxy 3995 nfpo 4396 nfso 4397 nfse 4436 nffrfor 4443 nfwe 4450 ralxpf 4874 funimaexglem 5410 fun11iun 5601 dff13f 5906 nfiso 5942 mpoeq123 6075 nfofr 6237 fmpox 6360 nfrecs 6468 xpf1o 7025 ac6sfi 7080 ismkvnex 7345 lble 9117 fzrevral 10330 nfsum1 11907 nfsum 11908 fsum2dlemstep 11985 fisumcom2 11989 nfcprod1 12105 nfcprod 12106 bezoutlemmain 12559 cnmpt21 15005 setindis 16498 bdsetindis 16500 strcollnfALT 16517 isomninnlem 16570 iswomninnlem 16589 ismkvnnlem 16592 |
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