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Mirrors > Home > ILE Home > Th. List > nfralxy | GIF version |
Description: Old name for nfralw 2501. (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 1453 | . . 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 2497 | . 2 ⊢ (⊤ → Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑) |
7 | 6 | mptru 1351 | 1 ⊢ Ⅎ𝑥∀𝑦 ∈ 𝐴 𝜑 |
Colors of variables: wff set class |
Syntax hints: ⊤wtru 1343 Ⅎwnf 1447 Ⅎwnfc 2293 ∀wral 2442 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-4 1497 ax-17 1513 ax-ial 1521 ax-i5r 1522 ax-ext 2146 |
This theorem depends on definitions: df-bi 116 df-tru 1345 df-nf 1448 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ral 2447 |
This theorem is referenced by: nfra2xy 2506 rspc2 2836 sbcralt 3022 sbcralg 3024 raaanlem 3509 nfint 3828 nfiinxy 3887 nfpo 4273 nfso 4274 nfse 4313 nffrfor 4320 nfwe 4327 ralxpf 4744 funimaexglem 5265 fun11iun 5447 dff13f 5732 nfiso 5768 mpoeq123 5892 nfofr 6050 fmpox 6160 nfrecs 6266 xpf1o 6801 ac6sfi 6855 ismkvnex 7110 lble 8833 fzrevral 10030 nfsum1 11283 nfsum 11284 fsum2dlemstep 11361 fisumcom2 11365 nfcprod1 11481 nfcprod 11482 bezoutlemmain 11916 cnmpt21 12832 setindis 13684 bdsetindis 13686 strcollnfALT 13703 isomninnlem 13743 iswomninnlem 13762 ismkvnnlem 13765 |
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