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| Mirrors > Home > ILE Home > Th. List > nfralxy | GIF version | ||
| Description: Old name for nfralw 2569. (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 1514 | . . 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 2565 | . 2 ⊢ (⊤ → Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑) |
| 7 | 6 | mptru 1406 | 1 ⊢ Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑 |
| Colors of variables: wff set class |
| Syntax hints: ⊤wtru 1398 Ⅎwnf 1508 Ⅎwnfc 2361 ∀wral 2510 |
| 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-4 1558 ax-17 1574 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 |
| This theorem is referenced by: nfra2xy 2574 rspc2 2921 sbcralt 3108 sbcralg 3110 raaanlem 3599 nfint 3938 nfiinxy 3997 nfpo 4398 nfso 4399 nfse 4438 nffrfor 4445 nfwe 4452 ralxpf 4876 funimaexglem 5413 fun11iun 5604 dff13f 5911 nfiso 5947 mpoeq123 6080 nfofr 6242 fmpox 6365 nfrecs 6473 xpf1o 7030 ac6sfi 7087 ismkvnex 7354 lble 9127 fzrevral 10340 nfsum1 11934 nfsum 11935 fsum2dlemstep 12013 fisumcom2 12017 nfcprod1 12133 nfcprod 12134 bezoutlemmain 12587 cnmpt21 15034 setindis 16613 bdsetindis 16615 strcollnfALT 16632 isomninnlem 16685 iswomninnlem 16705 ismkvnnlem 16708 |
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