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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 3827 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
4 | 3 | mptru 1544 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ⊤wtru 1538 [wsbc 3772 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-tru 1540 df-ex 1781 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-sbc 3773 |
This theorem is referenced by: eqsbc3r 3837 sbc3an 3838 sbccomlem 3853 sbccom 3854 sbcrext 3856 sbcabel 3861 csbcow 3898 csbco 3899 sbcnel12g 4363 sbcne12 4364 csbcom 4369 csbnestgfw 4371 csbnestgf 4376 sbccsb 4385 sbccsb2 4386 csbab 4389 2nreu 4393 sbcssg 4463 sbcop 5380 sbcrel 5655 difopab 5702 sbcfung 6379 tfinds2 7578 mpoxopovel 7886 f1od2 30457 bnj62 31990 bnj89 31991 bnj156 31998 bnj524 32008 bnj610 32018 bnj919 32038 bnj976 32049 bnj110 32130 bnj91 32133 bnj92 32134 bnj106 32140 bnj121 32142 bnj124 32143 bnj125 32144 bnj126 32145 bnj130 32146 bnj154 32150 bnj155 32151 bnj153 32152 bnj207 32153 bnj523 32159 bnj526 32160 bnj539 32163 bnj540 32164 bnj581 32180 bnj591 32183 bnj609 32189 bnj611 32190 bnj934 32207 bnj1000 32213 bnj984 32224 bnj985v 32225 bnj985 32226 bnj1040 32244 bnj1123 32258 bnj1452 32324 bnj1463 32327 sbcalf 35407 sbcexf 35408 sbccom2lem 35417 sbccom2 35418 sbccom2f 35419 sbccom2fi 35420 csbcom2fi 35421 2sbcrex 39401 2sbcrexOLD 39403 sbcrot3 39408 sbcrot5 39409 2rexfrabdioph 39413 3rexfrabdioph 39414 4rexfrabdioph 39415 6rexfrabdioph 39416 7rexfrabdioph 39417 rmydioph 39631 expdiophlem2 39639 sbcheg 40145 sbc3or 40886 trsbc 40894 onfrALTlem5 40896 eqsbc3rVD 41194 sbcoreleleqVD 41213 onfrALTlem5VD 41239 ich2exprop 43653 |
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