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| Mirrors > Home > ILE Home > Th. List > imbitrid | GIF version | ||
| Description: A mixed syllogism inference. (Contributed by NM, 12-Jan-1993.) |
| Ref | Expression |
|---|---|
| imbitrid.1 | ⊢ (𝜑 → 𝜓) |
| imbitrid.2 | ⊢ (𝜒 → (𝜓 ↔ 𝜃)) |
| Ref | Expression |
|---|---|
| imbitrid | ⊢ (𝜒 → (𝜑 → 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imbitrid.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | imbitrid.2 | . . 3 ⊢ (𝜒 → (𝜓 ↔ 𝜃)) | |
| 3 | 2 | biimpd 144 | . 2 ⊢ (𝜒 → (𝜓 → 𝜃)) |
| 4 | 1, 3 | syl5 32 | 1 ⊢ (𝜒 → (𝜑 → 𝜃)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: syl5ibcom 155 imbitrrid 156 sbft 1897 gencl 2845 spsbc 3053 prexg 4324 posng 4821 sosng 4822 optocl 4825 xpexcnvm 5116 relcnvexb 5301 funimass1 5432 dmfex 5556 f1ocnvb 5627 eqfnfv2 5775 elpreima 5796 dff13 5940 f1ocnvfv 5951 f1ocnvfvb 5952 fliftfun 5968 eusvobj2 6035 mpoxopn0yelv 6469 rntpos 6487 erexb 6791 findcard2 7145 findcard2s 7146 xpfi 7191 sbthlemi3 7228 enq0tr 7745 addnqprllem 7838 addnqprulem 7839 distrlem1prl 7893 distrlem1pru 7894 recexprlem1ssl 7944 recexprlem1ssu 7945 elrealeu 8140 addcan 8449 addcan2 8450 neg11 8520 negreb 8534 mulcanapd 8931 receuap 8939 cju 9231 nn1suc 9252 nnaddcl 9253 nndivtr 9275 znegclb 9606 zaddcllempos 9610 zmulcl 9627 zeo 9679 uz11 9873 uzp1 9884 eqreznegel 9942 xneg11 10163 xnegdi 10197 modqadd1 10719 modqmul1 10735 frec2uzltd 10761 bccmpl 11112 fz1eqb 11148 eqwrd 11258 ccatopth 11401 ccatopth2 11402 swrdccatin2 11414 cj11 11583 rennim 11680 resqrexlemgt0 11698 efne0 12357 dvdsabseq 12526 pcfac 13041 divsfval 13530 grpinveu 13740 mulgass 13865 dvreq1 14276 unitrrg 14402 uptx 15126 hmeocnvb 15170 tgioo 15406 uspgrf1oedg 16158 usgr0vb 16215 bj-nnbidc 16516 bj-prexg 16668 strcollnft 16741 |
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