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Mirrors > Home > MPE Home > Th. List > jccir | Structured version Visualization version GIF version |
Description: Inference conjoining a consequent of a consequent to the right of the consequent in an implication. See also ex-natded5.3i 26658. (Contributed by Mario Carneiro, 9-Feb-2017.) (Revised by AV, 20-Aug-2019.) |
Ref | Expression |
---|---|
jccir.1 | ⊢ (𝜑 → 𝜓) |
jccir.2 | ⊢ (𝜓 → 𝜒) |
Ref | Expression |
---|---|
jccir | ⊢ (𝜑 → (𝜓 ∧ 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | jccir.1 | . 2 ⊢ (𝜑 → 𝜓) | |
2 | jccir.2 | . . 3 ⊢ (𝜓 → 𝜒) | |
3 | 1, 2 | syl 17 | . 2 ⊢ (𝜑 → 𝜒) |
4 | 1, 3 | jca 553 | 1 ⊢ (𝜑 → (𝜓 ∧ 𝜒)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 196 df-an 385 |
This theorem is referenced by: jccil 561 oelim2 7562 hashf1rnOLD 13005 trclfv 13589 maxprmfct 15259 telgsums 18213 chpmat1dlem 20459 chpdmatlem2 20463 leordtvallem1 20824 leordtvallem2 20825 mbfmax 23222 wlklniswwlkn2 26228 relowlpssretop 32388 ntrclsk13 37389 stoweidlem34 38927 smonoord 39944 1wlklnwwlkln2lem 41079 0wlkOnlem1 41286 |
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