| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > sbcbii | Structured version Visualization version GIF version | ||
| Description: Formula-building inference for class substitution. (Contributed by NM, 11-Nov-2005.) |
| Ref | Expression |
|---|---|
| sbcbii.1 | ⊢ (𝜑 ↔ 𝜓) |
| Ref | Expression |
|---|---|
| sbcbii | ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sbcbii.1 | . . . 4 ⊢ (𝜑 ↔ 𝜓) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → (𝜑 ↔ 𝜓)) |
| 3 | 2 | sbcbidv 3797 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1577 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ⊤wtru 1571 [wsbc 3742 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-sbc 3743 |
| This theorem is used by: eqsbc2 3805 sbc3an 3806 sbccom 3821 sbcrext 3823 sbcabel 3828 csbcow 3865 csbco 3866 sbcnel12g 4375 sbcne12 4376 csbcom 4381 csbnestgfw 4383 csbnestgf 4388 sbccsb 4397 sbccsb2 4398 csbab 4401 2nreu 4405 sbcssg 4480 sbcop 5469 sbcrel 5765 sbcfung 6561 tfinds2 7864 frpoins3xpg 8142 frpoins3xp3g 8143 mpoxopovel 8222 f1od2 33198 bnj62 35238 bnj89 35239 bnj156 35246 bnj524 35255 bnj610 35265 bnj919 35285 bnj976 35295 bnj110 35375 bnj91 35378 bnj92 35379 bnj106 35385 bnj121 35387 bnj124 35388 bnj125 35389 bnj126 35390 bnj130 35391 bnj154 35395 bnj155 35396 bnj153 35397 bnj207 35398 bnj523 35404 bnj526 35405 bnj539 35408 bnj540 35409 bnj581 35425 bnj591 35428 bnj609 35434 bnj611 35435 bnj934 35452 bnj1000 35458 bnj984 35469 bnj985v 35470 bnj985 35471 bnj1040 35489 bnj1123 35503 bnj1452 35569 bnj1463 35572 sbcalf 38870 sbcexf 38871 sbccom2lem 38880 sbccom2 38881 sbccom2f 38882 sbccom2fi 38883 csbcom2fi 38884 rspcsbnea 43005 2sbcrex 43637 sbcrot3 43640 sbcrot5 43641 2rexfrabdioph 43645 3rexfrabdioph 43646 4rexfrabdioph 43647 6rexfrabdioph 43648 7rexfrabdioph 43649 rmydioph 43863 expdiophlem2 43871 sbcheg 44627 sbc3or 45363 trsbc 45371 onfrALTlem5 45373 eqsbc2VD 45670 sbcoreleleqVD 45689 onfrALTlem5VD 45715 ich2exprop 48379 |
| Copyright terms: Public domain | W3C validator |