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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 3802 | . 2 ⊢ (⊤ → ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓)) |
| 4 | 3 | mptru 1570 | 1 ⊢ ([𝐴 / 𝑥]𝜑 ↔ [𝐴 / 𝑥]𝜓) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ⊤wtru 1564 [wsbc 3747 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1566 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-sbc 3748 |
| This theorem is referenced by: eqsbc2 3810 sbc3an 3811 sbccomlemOLD 3826 sbccom 3827 sbcrext 3829 sbcabel 3834 csbcow 3870 csbco 3871 sbcnel12g 4371 sbcne12 4372 csbcom 4377 csbnestgfw 4379 csbnestgf 4384 sbccsb 4393 sbccsb2 4394 csbab 4397 2nreu 4401 sbcssg 4478 sbcop 5461 sbcrel 5757 sbcfung 6549 tfinds2 7848 frpoins3xpg 8124 frpoins3xp3g 8125 mpoxopovel 8204 f1od2 32972 bnj62 35021 bnj89 35022 bnj156 35029 bnj524 35038 bnj610 35048 bnj919 35068 bnj976 35078 bnj110 35158 bnj91 35161 bnj92 35162 bnj106 35168 bnj121 35170 bnj124 35171 bnj125 35172 bnj126 35173 bnj130 35174 bnj154 35178 bnj155 35179 bnj153 35180 bnj207 35181 bnj523 35187 bnj526 35188 bnj539 35191 bnj540 35192 bnj581 35208 bnj591 35211 bnj609 35217 bnj611 35218 bnj934 35235 bnj1000 35241 bnj984 35252 bnj985v 35253 bnj985 35254 bnj1040 35272 bnj1123 35286 bnj1452 35352 bnj1463 35355 sbcalf 38620 sbcexf 38621 sbccom2lem 38630 sbccom2 38631 sbccom2f 38632 sbccom2fi 38633 csbcom2fi 38634 rspcsbnea 42755 2sbcrex 43372 sbcrot3 43375 sbcrot5 43376 2rexfrabdioph 43380 3rexfrabdioph 43381 4rexfrabdioph 43382 6rexfrabdioph 43383 7rexfrabdioph 43384 rmydioph 43598 expdiophlem2 43606 sbcheg 44362 sbc3or 45100 trsbc 45108 onfrALTlem5 45110 eqsbc2VD 45407 sbcoreleleqVD 45426 onfrALTlem5VD 45452 ich2exprop 48076 |
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